Finding the Fourth Proportional to 9,518.58, 14,275.59 and 3,972

Step by Step Solution

1. Step 1: Write the proportion equation
   9,518.58 : 14,275.59 = 3,972 : x
2. Step 2: Convert to fraction form
   9,518.58/14,275.59 = 3,972/x
3. Step 3: Cross multiply
   9,518.58x = 14,275.59 × 3,972
4. Step 4: Simplify right side
   9,518.58x = 56,702,643.48
5. Step 5: Solve for x
   x = 56,702,643.48/9,518.58
6. Step 6: Final answer
   x = 5,957.05