Finding the Fourth Proportional to 99,548,224.14, 137,298,670.83 and 64,752,025.98

Step by Step Solution

1. Step 1: Write the proportion equation
   99,548,224.14 : 137,298,670.83 = 64,752,025.98 : x
2. Step 2: Convert to fraction form
   99,548,224.14/137,298,670.83 = 64,752,025.98/x
3. Step 3: Cross multiply
   99,548,224.14x = 137,298,670.83 × 64,752,025.98
4. Step 4: Simplify right side
   99,548,224.14x = 8,890,367,100,603,629
5. Step 5: Solve for x
   x = 8,890,367,100,603,629/99,548,224.14
6. Step 6: Final answer
   x = 89,307,139.10