Finding the Fourth Proportional to 10,077.16, 15,118.18 and 3,502.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,077.16 : 15,118.18 = 3,502.40 : x
2. Step 2: Convert to fraction form
   10,077.16/15,118.18 = 3,502.40/x
3. Step 3: Cross multiply
   10,077.16x = 15,118.18 × 3,502.40
4. Step 4: Simplify right side
   10,077.16x = 52,949,913.63
5. Step 5: Solve for x
   x = 52,949,913.63/10,077.16
6. Step 6: Final answer
   x = 5,254.45