Finding the Fourth Proportional to 10,988.96, 16,492.29 and 5,725.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,988.96 : 16,492.29 = 5,725.58 : x
2. Step 2: Convert to fraction form
   10,988.96/16,492.29 = 5,725.58/x
3. Step 3: Cross multiply
   10,988.96x = 16,492.29 × 5,725.58
4. Step 4: Simplify right side
   10,988.96x = 94,427,843.32
5. Step 5: Solve for x
   x = 94,427,843.32/10,988.96
6. Step 6: Final answer
   x = 8,592.98