Finding the Fourth Proportional to 2,925.33, 4,388.61 and 977.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,925.33 : 4,388.61 = 977.69 : x
2. Step 2: Convert to fraction form
   2,925.33/4,388.61 = 977.69/x
3. Step 3: Cross multiply
   2,925.33x = 4,388.61 × 977.69
4. Step 4: Simplify right side
   2,925.33x = 4,290,678.17
5. Step 5: Solve for x
   x = 4,290,678.17/2,925.33
6. Step 6: Final answer
   x = 1,466.73