Finding the Fourth Proportional to 11,109.71, 15,305.34 and 7,746.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,109.71 : 15,305.34 = 7,746.41 : x
2. Step 2: Convert to fraction form
   11,109.71/15,305.34 = 7,746.41/x
3. Step 3: Cross multiply
   11,109.71x = 15,305.34 × 7,746.41
4. Step 4: Simplify right side
   11,109.71x = 118,561,438.83
5. Step 5: Solve for x
   x = 118,561,438.83/11,109.71
6. Step 6: Final answer
   x = 10,671.88