Finding the Fourth Proportional to 10,087.83, 15,117.84 and 5,147.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,087.83 : 15,117.84 = 5,147.04 : x
2. Step 2: Convert to fraction form
   10,087.83/15,117.84 = 5,147.04/x
3. Step 3: Cross multiply
   10,087.83x = 15,117.84 × 5,147.04
4. Step 4: Simplify right side
   10,087.83x = 77,812,127.19
5. Step 5: Solve for x
   x = 77,812,127.19/10,087.83
6. Step 6: Final answer
   x = 7,713.47