Finding the Fourth Proportional to 10,039.68, 15,055.20 and 4,847.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,039.68 : 15,055.20 = 4,847.04 : x
2. Step 2: Convert to fraction form
   10,039.68/15,055.20 = 4,847.04/x
3. Step 3: Cross multiply
   10,039.68x = 15,055.20 × 4,847.04
4. Step 4: Simplify right side
   10,039.68x = 72,973,156.61
5. Step 5: Solve for x
   x = 72,973,156.61/10,039.68
6. Step 6: Final answer
   x = 7,268.47