Finding the Fourth Proportional to 11,411.91, 15,729.62 and 7,633.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,411.91 : 15,729.62 = 7,633.71 : x
2. Step 2: Convert to fraction form
   11,411.91/15,729.62 = 7,633.71/x
3. Step 3: Cross multiply
   11,411.91x = 15,729.62 × 7,633.71
4. Step 4: Simplify right side
   11,411.91x = 120,075,319.32
5. Step 5: Solve for x
   x = 120,075,319.32/11,411.91
6. Step 6: Final answer
   x = 10,521.93