Finding the Fourth Proportional to 10,064.39, 15,096.61 and 3,490.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,064.39 : 15,096.61 = 3,490.57 : x
2. Step 2: Convert to fraction form
   10,064.39/15,096.61 = 3,490.57/x
3. Step 3: Cross multiply
   10,064.39x = 15,096.61 × 3,490.57
4. Step 4: Simplify right side
   10,064.39x = 52,695,843.67
5. Step 5: Solve for x
   x = 52,695,843.67/10,064.39
6. Step 6: Final answer
   x = 5,235.87