Finding the Fourth Proportional to 10,339.02, 15,499.80 and 3,761.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,339.02 : 15,499.80 = 3,761.40 : x
2. Step 2: Convert to fraction form
   10,339.02/15,499.80 = 3,761.40/x
3. Step 3: Cross multiply
   10,339.02x = 15,499.80 × 3,761.40
4. Step 4: Simplify right side
   10,339.02x = 58,300,947.72
5. Step 5: Solve for x
   x = 58,300,947.72/10,339.02
6. Step 6: Final answer
   x = 5,638.92