Finding the Fourth Proportional to 7,385.31, 11,085.89 and 4,101.17

Step by Step Solution

1. Step 1: Write the proportion equation
   7,385.31 : 11,085.89 = 4,101.17 : x
2. Step 2: Convert to fraction form
   7,385.31/11,085.89 = 4,101.17/x
3. Step 3: Cross multiply
   7,385.31x = 11,085.89 × 4,101.17
4. Step 4: Simplify right side
   7,385.31x = 45,465,043.56
5. Step 5: Solve for x
   x = 45,465,043.56/7,385.31
6. Step 6: Final answer
   x = 6,156.15