Finding the Fourth Proportional to 11,155.02, 16,705.18 and 5,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,155.02 : 16,705.18 = 5,297.50 : x
2. Step 2: Convert to fraction form
   11,155.02/16,705.18 = 5,297.50/x
3. Step 3: Cross multiply
   11,155.02x = 16,705.18 × 5,297.50
4. Step 4: Simplify right side
   11,155.02x = 88,495,691.05
5. Step 5: Solve for x
   x = 88,495,691.05/11,155.02
6. Step 6: Final answer
   x = 7,933.26