Finding the Fourth Proportional to 89,261.18, 133,826.16 and 42,546.86

Step by Step Solution

1. Step 1: Write the proportion equation
   89,261.18 : 133,826.16 = 42,546.86 : x
2. Step 2: Convert to fraction form
   89,261.18/133,826.16 = 42,546.86/x
3. Step 3: Cross multiply
   89,261.18x = 133,826.16 × 42,546.86
4. Step 4: Simplify right side
   89,261.18x = 5,693,882,893.86
5. Step 5: Solve for x
   x = 5,693,882,893.86/89,261.18
6. Step 6: Final answer
   x = 63,789.02