Finding the Fourth Proportional to 99,022.53, 136,600.25 and 65,026.10

Step by Step Solution

1. Step 1: Write the proportion equation
   99,022.53 : 136,600.25 = 65,026.10 : x
2. Step 2: Convert to fraction form
   99,022.53/136,600.25 = 65,026.10/x
3. Step 3: Cross multiply
   99,022.53x = 136,600.25 × 65,026.10
4. Step 4: Simplify right side
   99,022.53x = 8,882,580,508.39
5. Step 5: Solve for x
   x = 8,882,580,508.39/99,022.53
6. Step 6: Final answer
   x = 89,702.62