Finding the Fourth Proportional to 99,284.86, 149,671.15 and 92,686.06

Step by Step Solution

1. Step 1: Write the proportion equation
   99,284.86 : 149,671.15 = 92,686.06 : x
2. Step 2: Convert to fraction form
   99,284.86/149,671.15 = 92,686.06/x
3. Step 3: Cross multiply
   99,284.86x = 149,671.15 × 92,686.06
4. Step 4: Simplify right side
   99,284.86x = 13,872,429,189.17
5. Step 5: Solve for x
   x = 13,872,429,189.17/99,284.86
6. Step 6: Final answer
   x = 139,723.51