Finding the Fourth Proportional to 99,886.62, 149,607.81 and 92,107.83

Step by Step Solution

1. Step 1: Write the proportion equation
   99,886.62 : 149,607.81 = 92,107.83 : x
2. Step 2: Convert to fraction form
   99,886.62/149,607.81 = 92,107.83/x
3. Step 3: Cross multiply
   99,886.62x = 149,607.81 × 92,107.83
4. Step 4: Simplify right side
   99,886.62x = 13,780,050,730.15
5. Step 5: Solve for x
   x = 13,780,050,730.15/99,886.62
6. Step 6: Final answer
   x = 137,956.92