Finding the Fourth Proportional to 15,510.84, 23,252.37 and 5,643.15

Step by Step Solution

1. Step 1: Write the proportion equation
   15,510.84 : 23,252.37 = 5,643.15 : x
2. Step 2: Convert to fraction form
   15,510.84/23,252.37 = 5,643.15/x
3. Step 3: Cross multiply
   15,510.84x = 23,252.37 × 5,643.15
4. Step 4: Simplify right side
   15,510.84x = 131,216,611.77
5. Step 5: Solve for x
   x = 131,216,611.77/15,510.84
6. Step 6: Final answer
   x = 8,459.67