Finding the Fourth Proportional to 10,429.47, 14,377.32 and 6,886.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,429.47 : 14,377.32 = 6,886.53 : x
2. Step 2: Convert to fraction form
   10,429.47/14,377.32 = 6,886.53/x
3. Step 3: Cross multiply
   10,429.47x = 14,377.32 × 6,886.53
4. Step 4: Simplify right side
   10,429.47x = 99,009,845.50
5. Step 5: Solve for x
   x = 99,009,845.50/10,429.47
6. Step 6: Final answer
   x = 9,493.28