Finding the Fourth Proportional to 42,671,732.15, 64,007,764.29 and 10,323,582.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,671,732.15 : 64,007,764.29 = 10,323,582.78 : x
2. Step 2: Convert to fraction form
   42,671,732.15/64,007,764.29 = 10,323,582.78/x
3. Step 3: Cross multiply
   42,671,732.15x = 64,007,764.29 × 10,323,582.78
4. Step 4: Simplify right side
   42,671,732.15x = 660,789,453,210,542.88
5. Step 5: Solve for x
   x = 660,789,453,210,542.88/42,671,732.15
6. Step 6: Final answer
   x = 15,485,414.35