Finding the Fourth Proportional to 7,747.52, 10,691.33 and 4,210.74

Step by Step Solution

1. Step 1: Write the proportion equation
   7,747.52 : 10,691.33 = 4,210.74 : x
2. Step 2: Convert to fraction form
   7,747.52/10,691.33 = 4,210.74/x
3. Step 3: Cross multiply
   7,747.52x = 10,691.33 × 4,210.74
4. Step 4: Simplify right side
   7,747.52x = 45,018,389.83
5. Step 5: Solve for x
   x = 45,018,389.83/7,747.52
6. Step 6: Final answer
   x = 5,810.69