Finding the Fourth Proportional to 9,551.32, 14,327.82 and 2,978.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,551.32 : 14,327.82 = 2,978.20 : x
2. Step 2: Convert to fraction form
   9,551.32/14,327.82 = 2,978.20/x
3. Step 3: Cross multiply
   9,551.32x = 14,327.82 × 2,978.20
4. Step 4: Simplify right side
   9,551.32x = 42,671,113.52
5. Step 5: Solve for x
   x = 42,671,113.52/9,551.32
6. Step 6: Final answer
   x = 4,467.56