Finding the Fourth Proportional to 1,397,499.48, 2,096,692.20 and 498,921.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,499.48 : 2,096,692.20 = 498,921.96 : x
2. Step 2: Convert to fraction form
   1,397,499.48/2,096,692.20 = 498,921.96/x
3. Step 3: Cross multiply
   1,397,499.48x = 2,096,692.20 × 498,921.96
4. Step 4: Simplify right side
   1,397,499.48x = 1,046,085,781,940.71
5. Step 5: Solve for x
   x = 1,046,085,781,940.71/1,397,499.48
6. Step 6: Final answer
   x = 748,541.09