Finding the Fourth Proportional to 11,042.88, 15,223.54 and 7,893.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,042.88 : 15,223.54 = 7,893.60 : x
2. Step 2: Convert to fraction form
   11,042.88/15,223.54 = 7,893.60/x
3. Step 3: Cross multiply
   11,042.88x = 15,223.54 × 7,893.60
4. Step 4: Simplify right side
   11,042.88x = 120,168,535.34
5. Step 5: Solve for x
   x = 120,168,535.34/11,042.88
6. Step 6: Final answer
   x = 10,881.99