Finding the Fourth Proportional to 11,812.88, 17,721.86 and 5,892.95

Step by Step Solution

1. Step 1: Write the proportion equation
   11,812.88 : 17,721.86 = 5,892.95 : x
2. Step 2: Convert to fraction form
   11,812.88/17,721.86 = 5,892.95/x
3. Step 3: Cross multiply
   11,812.88x = 17,721.86 × 5,892.95
4. Step 4: Simplify right side
   11,812.88x = 104,434,034.89
5. Step 5: Solve for x
   x = 104,434,034.89/11,812.88
6. Step 6: Final answer
   x = 8,840.69