Finding the Fourth Proportional to 1,461.48, 2,188.86 and 934.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,461.48 : 2,188.86 = 934.35 : x
2. Step 2: Convert to fraction form
   1,461.48/2,188.86 = 934.35/x
3. Step 3: Cross multiply
   1,461.48x = 2,188.86 × 934.35
4. Step 4: Simplify right side
   1,461.48x = 2,045,161.34
5. Step 5: Solve for x
   x = 2,045,161.34/1,461.48
6. Step 6: Final answer
   x = 1,399.38