Finding the Fourth Proportional to 42,710,562,009.12, 64,078,282,829.60 and 19,123,282,749.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,710,562,009.12 : 64,078,282,829.60 = 19,123,282,749.92 : x
2. Step 2: Convert to fraction form
   42,710,562,009.12/64,078,282,829.60 = 19,123,282,749.92/x
3. Step 3: Cross multiply
   42,710,562,009.12x = 64,078,282,829.60 × 19,123,282,749.92
4. Step 4: Simplify right side
   42,710,562,009.12x = 1,225,387,120,679,387,922,432
5. Step 5: Solve for x
   x = 1,225,387,120,679,387,922,432/42,710,562,009.12
6. Step 6: Final answer
   x = 28,690,493,944.28