Finding the Fourth Proportional to 1,254,864.06, 1,731,778.77 and 711,105.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,254,864.06 : 1,731,778.77 = 711,105.30 : x
2. Step 2: Convert to fraction form
   1,254,864.06/1,731,778.77 = 711,105.30/x
3. Step 3: Cross multiply
   1,254,864.06x = 1,731,778.77 × 711,105.30
4. Step 4: Simplify right side
   1,254,864.06x = 1,231,477,061,774.48
5. Step 5: Solve for x
   x = 1,231,477,061,774.48/1,254,864.06
6. Step 6: Final answer
   x = 981,362.92