Finding the Fourth Proportional to 41,819,385.55, 62,722,120.72 and 12,666,293.28

Step by Step Solution

1. Step 1: Write the proportion equation
   41,819,385.55 : 62,722,120.72 = 12,666,293.28 : x
2. Step 2: Convert to fraction form
   41,819,385.55/62,722,120.72 = 12,666,293.28/x
3. Step 3: Cross multiply
   41,819,385.55x = 62,722,120.72 × 12,666,293.28
4. Step 4: Simplify right side
   41,819,385.55x = 794,456,776,057,945.12
5. Step 5: Solve for x
   x = 794,456,776,057,945.12/41,819,385.55
6. Step 6: Final answer
   x = 18,997,332.59