Finding the Fourth Proportional to 111,818.34, 153,824.67 and 98,147.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,818.34 : 153,824.67 = 98,147.16 : x
2. Step 2: Convert to fraction form
   111,818.34/153,824.67 = 98,147.16/x
3. Step 3: Cross multiply
   111,818.34x = 153,824.67 × 98,147.16
4. Step 4: Simplify right side
   111,818.34x = 15,097,454,498.44
5. Step 5: Solve for x
   x = 15,097,454,498.44/111,818.34
6. Step 6: Final answer
   x = 135,017.69