Finding the Fourth Proportional to 10,061.95, 13,886.31 and 5,586.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.95 : 13,886.31 = 5,586.61 : x
2. Step 2: Convert to fraction form
   10,061.95/13,886.31 = 5,586.61/x
3. Step 3: Cross multiply
   10,061.95x = 13,886.31 × 5,586.61
4. Step 4: Simplify right side
   10,061.95x = 77,577,398.31
5. Step 5: Solve for x
   x = 77,577,398.31/10,061.95
6. Step 6: Final answer
   x = 7,709.98