Finding the Fourth Proportional to 10,377.15, 15,551.40 and 5,691.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,377.15 : 15,551.40 = 5,691.51 : x
2. Step 2: Convert to fraction form
   10,377.15/15,551.40 = 5,691.51/x
3. Step 3: Cross multiply
   10,377.15x = 15,551.40 × 5,691.51
4. Step 4: Simplify right side
   10,377.15x = 88,510,948.61
5. Step 5: Solve for x
   x = 88,510,948.61/10,377.15
6. Step 6: Final answer
   x = 8,529.41