Finding the Fourth Proportional to 7,291.30, 10,061.78 and 4,104.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,291.30 : 10,061.78 = 4,104.78 : x
2. Step 2: Convert to fraction form
   7,291.30/10,061.78 = 4,104.78/x
3. Step 3: Cross multiply
   7,291.30x = 10,061.78 × 4,104.78
4. Step 4: Simplify right side
   7,291.30x = 41,301,393.31
5. Step 5: Solve for x
   x = 41,301,393.31/7,291.30
6. Step 6: Final answer
   x = 5,664.48