Finding the Fourth Proportional to 15,152.31, 22,728.83 and 5,157.02

Step by Step Solution

1. Step 1: Write the proportion equation
   15,152.31 : 22,728.83 = 5,157.02 : x
2. Step 2: Convert to fraction form
   15,152.31/22,728.83 = 5,157.02/x
3. Step 3: Cross multiply
   15,152.31x = 22,728.83 × 5,157.02
4. Step 4: Simplify right side
   15,152.31x = 117,213,061.92
5. Step 5: Solve for x
   x = 117,213,061.92/15,152.31
6. Step 6: Final answer
   x = 7,735.66