Finding the Fourth Proportional to 10,061.31, 15,085.62 and 3,488.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.31 : 15,085.62 = 3,488.04 : x
2. Step 2: Convert to fraction form
   10,061.31/15,085.62 = 3,488.04/x
3. Step 3: Cross multiply
   10,061.31x = 15,085.62 × 3,488.04
4. Step 4: Simplify right side
   10,061.31x = 52,619,245.98
5. Step 5: Solve for x
   x = 52,619,245.98/10,061.31
6. Step 6: Final answer
   x = 5,229.86