Finding the Fourth Proportional to 98,755.56, 136,281.71 and 53,432.55

Step by Step Solution

1. Step 1: Write the proportion equation
   98,755.56 : 136,281.71 = 53,432.55 : x
2. Step 2: Convert to fraction form
   98,755.56/136,281.71 = 53,432.55/x
3. Step 3: Cross multiply
   98,755.56x = 136,281.71 × 53,432.55
4. Step 4: Simplify right side
   98,755.56x = 7,281,879,016.50
5. Step 5: Solve for x
   x = 7,281,879,016.50/98,755.56
6. Step 6: Final answer
   x = 73,736.40