Finding the Fourth Proportional to 1,374.76, 2,060.98 and 934.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.76 : 2,060.98 = 934.78 : x
2. Step 2: Convert to fraction form
   1,374.76/2,060.98 = 934.78/x
3. Step 3: Cross multiply
   1,374.76x = 2,060.98 × 934.78
4. Step 4: Simplify right side
   1,374.76x = 1,926,558.32
5. Step 5: Solve for x
   x = 1,926,558.32/1,374.76
6. Step 6: Final answer
   x = 1,401.38