Finding the Fourth Proportional to 10,061.70, 13,885.50 and 5,585.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.70 : 13,885.50 = 5,585.52 : x
2. Step 2: Convert to fraction form
   10,061.70/13,885.50 = 5,585.52/x
3. Step 3: Cross multiply
   10,061.70x = 13,885.50 × 5,585.52
4. Step 4: Simplify right side
   10,061.70x = 77,557,737.96
5. Step 5: Solve for x
   x = 77,557,737.96/10,061.70
6. Step 6: Final answer
   x = 7,708.21