Finding the Fourth Proportional to 10,999.18, 16,492.58 and 4,755.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,999.18 : 16,492.58 = 4,755.30 : x
2. Step 2: Convert to fraction form
   10,999.18/16,492.58 = 4,755.30/x
3. Step 3: Cross multiply
   10,999.18x = 16,492.58 × 4,755.30
4. Step 4: Simplify right side
   10,999.18x = 78,427,165.67
5. Step 5: Solve for x
   x = 78,427,165.67/10,999.18
6. Step 6: Final answer
   x = 7,130.27