Finding the Fourth Proportional to 98,880.27, 136,454.43 and 53,558.15

Step by Step Solution

1. Step 1: Write the proportion equation
   98,880.27 : 136,454.43 = 53,558.15 : x
2. Step 2: Convert to fraction form
   98,880.27/136,454.43 = 53,558.15/x
3. Step 3: Cross multiply
   98,880.27x = 136,454.43 × 53,558.15
4. Step 4: Simplify right side
   98,880.27x = 7,308,246,147.83
5. Step 5: Solve for x
   x = 7,308,246,147.83/98,880.27
6. Step 6: Final answer
   x = 73,910.05