Finding the Fourth Proportional to 42,715,750.86, 64,072,947.57 and 10,367,921.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,715,750.86 : 64,072,947.57 = 10,367,921.10 : x
2. Step 2: Convert to fraction form
   42,715,750.86/64,072,947.57 = 10,367,921.10/x
3. Step 3: Cross multiply
   42,715,750.86x = 64,072,947.57 × 10,367,921.10
4. Step 4: Simplify right side
   42,715,750.86x = 664,303,265,050,196.75
5. Step 5: Solve for x
   x = 664,303,265,050,196.75/42,715,750.86
6. Step 6: Final answer
   x = 15,551,716.91