Finding the Fourth Proportional to 9,874.88, 14,815.78 and 4,327.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,874.88 : 14,815.78 = 4,327.50 : x
2. Step 2: Convert to fraction form
   9,874.88/14,815.78 = 4,327.50/x
3. Step 3: Cross multiply
   9,874.88x = 14,815.78 × 4,327.50
4. Step 4: Simplify right side
   9,874.88x = 64,115,287.95
5. Step 5: Solve for x
   x = 64,115,287.95/9,874.88
6. Step 6: Final answer
   x = 6,492.77