Finding the Fourth Proportional to 10,118.63, 13,963.95 and 5,581.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,118.63 : 13,963.95 = 5,581.37 : x
2. Step 2: Convert to fraction form
   10,118.63/13,963.95 = 5,581.37/x
3. Step 3: Cross multiply
   10,118.63x = 13,963.95 × 5,581.37
4. Step 4: Simplify right side
   10,118.63x = 77,937,971.61
5. Step 5: Solve for x
   x = 77,937,971.61/10,118.63
6. Step 6: Final answer
   x = 7,702.42