Finding the Fourth Proportional to 9,885.12, 14,830.56 and 4,038.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,885.12 : 14,830.56 = 4,038.72 : x
2. Step 2: Convert to fraction form
   9,885.12/14,830.56 = 4,038.72/x
3. Step 3: Cross multiply
   9,885.12x = 14,830.56 × 4,038.72
4. Step 4: Simplify right side
   9,885.12x = 59,896,479.28
5. Step 5: Solve for x
   x = 59,896,479.28/9,885.12
6. Step 6: Final answer
   x = 6,059.26