Finding the Fourth Proportional to 5,117.02, 7,061.42 and 2,992.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,117.02 : 7,061.42 = 2,992.48 : x
2. Step 2: Convert to fraction form
   5,117.02/7,061.42 = 2,992.48/x
3. Step 3: Cross multiply
   5,117.02x = 7,061.42 × 2,992.48
4. Step 4: Simplify right side
   5,117.02x = 21,131,158.12
5. Step 5: Solve for x
   x = 21,131,158.12/5,117.02
6. Step 6: Final answer
   x = 4,129.58