Finding the Fourth Proportional to 10,077.50, 15,116.31 and 3,503.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,077.50 : 15,116.31 = 3,503.81 : x
2. Step 2: Convert to fraction form
   10,077.50/15,116.31 = 3,503.81/x
3. Step 3: Cross multiply
   10,077.50x = 15,116.31 × 3,503.81
4. Step 4: Simplify right side
   10,077.50x = 52,964,602.56
5. Step 5: Solve for x
   x = 52,964,602.56/10,077.50
6. Step 6: Final answer
   x = 5,255.73