Finding the Fourth Proportional to 11,062.18, 15,281.29 and 7,703.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,062.18 : 15,281.29 = 7,703.31 : x
2. Step 2: Convert to fraction form
   11,062.18/15,281.29 = 7,703.31/x
3. Step 3: Cross multiply
   11,062.18x = 15,281.29 × 7,703.31
4. Step 4: Simplify right side
   11,062.18x = 117,716,514.07
5. Step 5: Solve for x
   x = 117,716,514.07/11,062.18
6. Step 6: Final answer
   x = 10,641.35