Finding the Fourth Proportional to 10,503.06, 14,494.05 and 5,787.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,503.06 : 14,494.05 = 5,787.78 : x
2. Step 2: Convert to fraction form
   10,503.06/14,494.05 = 5,787.78/x
3. Step 3: Cross multiply
   10,503.06x = 14,494.05 × 5,787.78
4. Step 4: Simplify right side
   10,503.06x = 83,888,372.71
5. Step 5: Solve for x
   x = 83,888,372.71/10,503.06
6. Step 6: Final answer
   x = 7,987.04