Finding the Fourth Proportional to 10,554.40, 14,549.52 and 7,755.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,554.40 : 14,549.52 = 7,755.04 : x
2. Step 2: Convert to fraction form
   10,554.40/14,549.52 = 7,755.04/x
3. Step 3: Cross multiply
   10,554.40x = 14,549.52 × 7,755.04
4. Step 4: Simplify right side
   10,554.40x = 112,832,109.58
5. Step 5: Solve for x
   x = 112,832,109.58/10,554.40
6. Step 6: Final answer
   x = 10,690.53