Finding the Fourth Proportional to 98,091.63, 135,357.09 and 55,061.27

Step by Step Solution

1. Step 1: Write the proportion equation
   98,091.63 : 135,357.09 = 55,061.27 : x
2. Step 2: Convert to fraction form
   98,091.63/135,357.09 = 55,061.27/x
3. Step 3: Cross multiply
   98,091.63x = 135,357.09 × 55,061.27
4. Step 4: Simplify right side
   98,091.63x = 7,452,932,602.12
5. Step 5: Solve for x
   x = 7,452,932,602.12/98,091.63
6. Step 6: Final answer
   x = 75,979.29