Finding the Fourth Proportional to 90,002.34, 124,439.83 and 88,581.42

Step by Step Solution

1. Step 1: Write the proportion equation
   90,002.34 : 124,439.83 = 88,581.42 : x
2. Step 2: Convert to fraction form
   90,002.34/124,439.83 = 88,581.42/x
3. Step 3: Cross multiply
   90,002.34x = 124,439.83 × 88,581.42
4. Step 4: Simplify right side
   90,002.34x = 11,023,056,624.51
5. Step 5: Solve for x
   x = 11,023,056,624.51/90,002.34
6. Step 6: Final answer
   x = 122,475.22