Finding the Fourth Proportional to 147,938.85, 204,162.71 and 90,559.89

Step by Step Solution

1. Step 1: Write the proportion equation
   147,938.85 : 204,162.71 = 90,559.89 : x
2. Step 2: Convert to fraction form
   147,938.85/204,162.71 = 90,559.89/x
3. Step 3: Cross multiply
   147,938.85x = 204,162.71 × 90,559.89
4. Step 4: Simplify right side
   147,938.85x = 18,488,952,106.90
5. Step 5: Solve for x
   x = 18,488,952,106.90/147,938.85
6. Step 6: Final answer
   x = 124,976.99