Finding the Fourth Proportional to 9,530.78, 14,298.30 and 2,957.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,530.78 : 14,298.30 = 2,957.02 : x
2. Step 2: Convert to fraction form
   9,530.78/14,298.30 = 2,957.02/x
3. Step 3: Cross multiply
   9,530.78x = 14,298.30 × 2,957.02
4. Step 4: Simplify right side
   9,530.78x = 42,280,359.07
5. Step 5: Solve for x
   x = 42,280,359.07/9,530.78
6. Step 6: Final answer
   x = 4,436.19