Finding the Fourth Proportional to 1,380.93, 2,068.47 and 1,034.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,380.93 : 2,068.47 = 1,034.79 : x
2. Step 2: Convert to fraction form
   1,380.93/2,068.47 = 1,034.79/x
3. Step 3: Cross multiply
   1,380.93x = 2,068.47 × 1,034.79
4. Step 4: Simplify right side
   1,380.93x = 2,140,432.07
5. Step 5: Solve for x
   x = 2,140,432.07/1,380.93
6. Step 6: Final answer
   x = 1,549.99