Finding the Fourth Proportional to 1,488.62, 2,055.10 and 929.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.62 : 2,055.10 = 929.59 : x
2. Step 2: Convert to fraction form
   1,488.62/2,055.10 = 929.59/x
3. Step 3: Cross multiply
   1,488.62x = 2,055.10 × 929.59
4. Step 4: Simplify right side
   1,488.62x = 1,910,400.41
5. Step 5: Solve for x
   x = 1,910,400.41/1,488.62
6. Step 6: Final answer
   x = 1,283.34