Finding the Fourth Proportional to 98,091.38, 135,356.74 and 55,061.01

Step by Step Solution

1. Step 1: Write the proportion equation
   98,091.38 : 135,356.74 = 55,061.01 : x
2. Step 2: Convert to fraction form
   98,091.38/135,356.74 = 55,061.01/x
3. Step 3: Cross multiply
   98,091.38x = 135,356.74 × 55,061.01
4. Step 4: Simplify right side
   98,091.38x = 7,452,878,814.71
5. Step 5: Solve for x
   x = 7,452,878,814.71/98,091.38
6. Step 6: Final answer
   x = 75,978.94