Finding the Fourth Proportional to 12,364.48, 17,061.06 and 7,891.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,364.48 : 17,061.06 = 7,891.93 : x
2. Step 2: Convert to fraction form
   12,364.48/17,061.06 = 7,891.93/x
3. Step 3: Cross multiply
   12,364.48x = 17,061.06 × 7,891.93
4. Step 4: Simplify right side
   12,364.48x = 134,644,691.25
5. Step 5: Solve for x
   x = 134,644,691.25/12,364.48
6. Step 6: Final answer
   x = 10,889.64