Finding the Fourth Proportional to 2,188,457.96, 3,020,060.46 and 1,270,912.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,457.96 : 3,020,060.46 = 1,270,912.72 : x
2. Step 2: Convert to fraction form
   2,188,457.96/3,020,060.46 = 1,270,912.72/x
3. Step 3: Cross multiply
   2,188,457.96x = 3,020,060.46 × 1,270,912.72
4. Step 4: Simplify right side
   2,188,457.96x = 3,838,233,253,783.05
5. Step 5: Solve for x
   x = 3,838,233,253,783.05/2,188,457.96
6. Step 6: Final answer
   x = 1,753,852.86