Finding the Fourth Proportional to 152,151.67, 209,899.38 and 98,454.34

Step by Step Solution

1. Step 1: Write the proportion equation
   152,151.67 : 209,899.38 = 98,454.34 : x
2. Step 2: Convert to fraction form
   152,151.67/209,899.38 = 98,454.34/x
3. Step 3: Cross multiply
   152,151.67x = 209,899.38 × 98,454.34
4. Step 4: Simplify right side
   152,151.67x = 20,665,504,924.31
5. Step 5: Solve for x
   x = 20,665,504,924.31/152,151.67
6. Step 6: Final answer
   x = 135,821.74