Finding the Fourth Proportional to 10,503.30, 14,494.61 and 5,787.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,503.30 : 14,494.61 = 5,787.86 : x
2. Step 2: Convert to fraction form
   10,503.30/14,494.61 = 5,787.86/x
3. Step 3: Cross multiply
   10,503.30x = 14,494.61 × 5,787.86
4. Step 4: Simplify right side
   10,503.30x = 83,892,773.43
5. Step 5: Solve for x
   x = 83,892,773.43/10,503.30
6. Step 6: Final answer
   x = 7,987.28