Finding the Fourth Proportional to 1,488.34, 2,054.46 and 929.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.34 : 2,054.46 = 929.35 : x
2. Step 2: Convert to fraction form
   1,488.34/2,054.46 = 929.35/x
3. Step 3: Cross multiply
   1,488.34x = 2,054.46 × 929.35
4. Step 4: Simplify right side
   1,488.34x = 1,909,312.40
5. Step 5: Solve for x
   x = 1,909,312.40/1,488.34
6. Step 6: Final answer
   x = 1,282.85