Finding the Fourth Proportional to 11,071.02, 15,279.63 and 7,293.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,071.02 : 15,279.63 = 7,293.57 : x
2. Step 2: Convert to fraction form
   11,071.02/15,279.63 = 7,293.57/x
3. Step 3: Cross multiply
   11,071.02x = 15,279.63 × 7,293.57
4. Step 4: Simplify right side
   11,071.02x = 111,443,050.98
5. Step 5: Solve for x
   x = 111,443,050.98/11,071.02
6. Step 6: Final answer
   x = 10,066.20