Finding the Fourth Proportional to 42,671,734.91, 64,007,768.43 and 10,323,585.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,671,734.91 : 64,007,768.43 = 10,323,585.53 : x
2. Step 2: Convert to fraction form
   42,671,734.91/64,007,768.43 = 10,323,585.53/x
3. Step 3: Cross multiply
   42,671,734.91x = 64,007,768.43 × 10,323,585.53
4. Step 4: Simplify right side
   42,671,734.91x = 660,789,671,971,538.75
5. Step 5: Solve for x
   x = 660,789,671,971,538.75/42,671,734.91
6. Step 6: Final answer
   x = 15,485,418.47