Finding the Fourth Proportional to 42,735,255.36, 64,102,323.12 and 10,387,063.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,735,255.36 : 64,102,323.12 = 10,387,063.92 : x
2. Step 2: Convert to fraction form
   42,735,255.36/64,102,323.12 = 10,387,063.92/x
3. Step 3: Cross multiply
   42,735,255.36x = 64,102,323.12 × 10,387,063.92
4. Step 4: Simplify right side
   42,735,255.36x = 665,834,927,667,933.75
5. Step 5: Solve for x
   x = 665,834,927,667,933.75/42,735,255.36
6. Step 6: Final answer
   x = 15,580,459.79