Finding the Fourth Proportional to 10,670.42, 14,726.15 and 5,891.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,670.42 : 14,726.15 = 5,891.22 : x
2. Step 2: Convert to fraction form
   10,670.42/14,726.15 = 5,891.22/x
3. Step 3: Cross multiply
   10,670.42x = 14,726.15 × 5,891.22
4. Step 4: Simplify right side
   10,670.42x = 86,754,989.40
5. Step 5: Solve for x
   x = 86,754,989.40/10,670.42
6. Step 6: Final answer
   x = 8,130.42