Finding the Fourth Proportional to 98,087.58, 135,360.96 and 55,061.10

Step by Step Solution

1. Step 1: Write the proportion equation
   98,087.58 : 135,360.96 = 55,061.10 : x
2. Step 2: Convert to fraction form
   98,087.58/135,360.96 = 55,061.10/x
3. Step 3: Cross multiply
   98,087.58x = 135,360.96 × 55,061.10
4. Step 4: Simplify right side
   98,087.58x = 7,453,123,354.66
5. Step 5: Solve for x
   x = 7,453,123,354.66/98,087.58
6. Step 6: Final answer
   x = 75,984.37