Finding the Fourth Proportional to 1,374.89, 1,897.58 and 932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.89 : 1,897.58 = 932.50 : x
2. Step 2: Convert to fraction form
   1,374.89/1,897.58 = 932.50/x
3. Step 3: Cross multiply
   1,374.89x = 1,897.58 × 932.50
4. Step 4: Simplify right side
   1,374.89x = 1,769,479.20
5. Step 5: Solve for x
   x = 1,769,479.20/1,374.89
6. Step 6: Final answer
   x = 1,287.00