Finding the Fourth Proportional to 39,172,810.86, 58,759,140.87 and 10,418,976.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,172,810.86 : 58,759,140.87 = 10,418,976.72 : x
2. Step 2: Convert to fraction form
   39,172,810.86/58,759,140.87 = 10,418,976.72/x
3. Step 3: Cross multiply
   39,172,810.86x = 58,759,140.87 × 10,418,976.72
4. Step 4: Simplify right side
   39,172,810.86x = 612,210,120,811,730.50
5. Step 5: Solve for x
   x = 612,210,120,811,730.50/39,172,810.86
6. Step 6: Final answer
   x = 15,628,445.02