Finding the Fourth Proportional to 17,538.48, 26,311.61 and 5,057.53

Step by Step Solution

1. Step 1: Write the proportion equation
   17,538.48 : 26,311.61 = 5,057.53 : x
2. Step 2: Convert to fraction form
   17,538.48/26,311.61 = 5,057.53/x
3. Step 3: Cross multiply
   17,538.48x = 26,311.61 × 5,057.53
4. Step 4: Simplify right side
   17,538.48x = 133,071,703.79
5. Step 5: Solve for x
   x = 133,071,703.79/17,538.48
6. Step 6: Final answer
   x = 7,587.41