Finding the Fourth Proportional to 9,932.76, 13,707.58 and 5,457.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,932.76 : 13,707.58 = 5,457.02 : x
2. Step 2: Convert to fraction form
   9,932.76/13,707.58 = 5,457.02/x
3. Step 3: Cross multiply
   9,932.76x = 13,707.58 × 5,457.02
4. Step 4: Simplify right side
   9,932.76x = 74,802,538.21
5. Step 5: Solve for x
   x = 74,802,538.21/9,932.76
6. Step 6: Final answer
   x = 7,530.89