Finding the Fourth Proportional to 13,117.98, 19,673.88 and 3,757.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,117.98 : 19,673.88 = 3,757.86 : x
2. Step 2: Convert to fraction form
   13,117.98/19,673.88 = 3,757.86/x
3. Step 3: Cross multiply
   13,117.98x = 19,673.88 × 3,757.86
4. Step 4: Simplify right side
   13,117.98x = 73,931,686.70
5. Step 5: Solve for x
   x = 73,931,686.70/13,117.98
6. Step 6: Final answer
   x = 5,635.90