Finding the Fourth Proportional to 9,192.78, 12,685.98 and 5,001

Step by Step Solution

1. Step 1: Write the proportion equation
   9,192.78 : 12,685.98 = 5,001 : x
2. Step 2: Convert to fraction form
   9,192.78/12,685.98 = 5,001/x
3. Step 3: Cross multiply
   9,192.78x = 12,685.98 × 5,001
4. Step 4: Simplify right side
   9,192.78x = 63,442,585.98
5. Step 5: Solve for x
   x = 63,442,585.98/9,192.78
6. Step 6: Final answer
   x = 6,901.35