Finding the Fourth Proportional to 1,572,768.06, 2,359,128.38 and 707,591.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,572,768.06 : 2,359,128.38 = 707,591.99 : x
2. Step 2: Convert to fraction form
   1,572,768.06/2,359,128.38 = 707,591.99/x
3. Step 3: Cross multiply
   1,572,768.06x = 2,359,128.38 × 707,591.99
4. Step 4: Simplify right side
   1,572,768.06x = 1,669,300,340,129.75
5. Step 5: Solve for x
   x = 1,669,300,340,129.75/1,572,768.06
6. Step 6: Final answer
   x = 1,061,377.32