Finding the Fourth Proportional to 98,055.46, 146,785.76 and 88,699.42

Step by Step Solution

1. Step 1: Write the proportion equation
   98,055.46 : 146,785.76 = 88,699.42 : x
2. Step 2: Convert to fraction form
   98,055.46/146,785.76 = 88,699.42/x
3. Step 3: Cross multiply
   98,055.46x = 146,785.76 × 88,699.42
4. Step 4: Simplify right side
   98,055.46x = 13,019,811,776.26
5. Step 5: Solve for x
   x = 13,019,811,776.26/98,055.46
6. Step 6: Final answer
   x = 132,780.08