Finding the Fourth Proportional to 12,131.95, 16,737.15 and 9,747.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,131.95 : 16,737.15 = 9,747.93 : x
2. Step 2: Convert to fraction form
   12,131.95/16,737.15 = 9,747.93/x
3. Step 3: Cross multiply
   12,131.95x = 16,737.15 × 9,747.93
4. Step 4: Simplify right side
   12,131.95x = 163,152,566.60
5. Step 5: Solve for x
   x = 163,152,566.60/12,131.95
6. Step 6: Final answer
   x = 13,448.17