Finding the Fourth Proportional to 152,155.54, 209,903.89 and 98,457.91

Step by Step Solution

1. Step 1: Write the proportion equation
   152,155.54 : 209,903.89 = 98,457.91 : x
2. Step 2: Convert to fraction form
   152,155.54/209,903.89 = 98,457.91/x
3. Step 3: Cross multiply
   152,155.54x = 209,903.89 × 98,457.91
4. Step 4: Simplify right side
   152,155.54x = 20,666,698,310.27
5. Step 5: Solve for x
   x = 20,666,698,310.27/152,155.54
6. Step 6: Final answer
   x = 135,826.13