Finding the Fourth Proportional to 10,055.85, 15,071.47 and 7,292.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,055.85 : 15,071.47 = 7,292.03 : x
2. Step 2: Convert to fraction form
   10,055.85/15,071.47 = 7,292.03/x
3. Step 3: Cross multiply
   10,055.85x = 15,071.47 × 7,292.03
4. Step 4: Simplify right side
   10,055.85x = 109,901,517.80
5. Step 5: Solve for x
   x = 109,901,517.80/10,055.85
6. Step 6: Final answer
   x = 10,929.12