Finding the Fourth Proportional to 111,819.34, 153,826.05 and 98,148.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,819.34 : 153,826.05 = 98,148.16 : x
2. Step 2: Convert to fraction form
   111,819.34/153,826.05 = 98,148.16/x
3. Step 3: Cross multiply
   111,819.34x = 153,826.05 × 98,148.16
4. Step 4: Simplify right side
   111,819.34x = 15,097,743,767.57
5. Step 5: Solve for x
   x = 15,097,743,767.57/111,819.34
6. Step 6: Final answer
   x = 135,019.07