Finding the Fourth Proportional to 152,141.64, 209,884.76 and 98,443.96

Step by Step Solution

1. Step 1: Write the proportion equation
   152,141.64 : 209,884.76 = 98,443.96 : x
2. Step 2: Convert to fraction form
   152,141.64/209,884.76 = 98,443.96/x
3. Step 3: Cross multiply
   152,141.64x = 209,884.76 × 98,443.96
4. Step 4: Simplify right side
   152,141.64x = 20,661,886,918.05
5. Step 5: Solve for x
   x = 20,661,886,918.05/152,141.64
6. Step 6: Final answer
   x = 135,806.92