Finding the Fourth Proportional to 8,100.93, 12,123.86 and 5,137.95

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.93 : 12,123.86 = 5,137.95 : x
2. Step 2: Convert to fraction form
   8,100.93/12,123.86 = 5,137.95/x
3. Step 3: Cross multiply
   8,100.93x = 12,123.86 × 5,137.95
4. Step 4: Simplify right side
   8,100.93x = 62,291,760.80
5. Step 5: Solve for x
   x = 62,291,760.80/8,100.93
6. Step 6: Final answer
   x = 7,689.46