Finding the Fourth Proportional to 2,925.30, 4,387.59 and 977.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,925.30 : 4,387.59 = 977.52 : x
2. Step 2: Convert to fraction form
   2,925.30/4,387.59 = 977.52/x
3. Step 3: Cross multiply
   2,925.30x = 4,387.59 × 977.52
4. Step 4: Simplify right side
   2,925.30x = 4,288,956.98
5. Step 5: Solve for x
   x = 4,288,956.98/2,925.30
6. Step 6: Final answer
   x = 1,466.16