Finding the Fourth Proportional to 2,311,457.58, 3,189,638.25 and 1,292,665.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311,457.58 : 3,189,638.25 = 1,292,665.50 : x
2. Step 2: Convert to fraction form
   2,311,457.58/3,189,638.25 = 1,292,665.50/x
3. Step 3: Cross multiply
   2,311,457.58x = 3,189,638.25 × 1,292,665.50
4. Step 4: Simplify right side
   2,311,457.58x = 4,123,135,323,255.38
5. Step 5: Solve for x
   x = 4,123,135,323,255.38/2,311,457.58
6. Step 6: Final answer
   x = 1,783,781.52