Finding the Fourth Proportional to 72,240,275.00, 99,691,073.87 and 39,199,683.89

Step by Step Solution

1. Step 1: Write the proportion equation
   72,240,275.00 : 99,691,073.87 = 39,199,683.89 : x
2. Step 2: Convert to fraction form
   72,240,275.00/99,691,073.87 = 39,199,683.89/x
3. Step 3: Cross multiply
   72,240,275.00x = 99,691,073.87 × 39,199,683.89
4. Step 4: Simplify right side
   72,240,275.00x = 3,907,858,581,664,184.50
5. Step 5: Solve for x
   x = 3,907,858,581,664,184.50/72,240,275.00
6. Step 6: Final answer
   x = 54,095,289.39