Finding the Fourth Proportional to 1,996,598.56, 2,993,699.10 and 915,757.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996,598.56 : 2,993,699.10 = 915,757.20 : x
2. Step 2: Convert to fraction form
   1,996,598.56/2,993,699.10 = 915,757.20/x
3. Step 3: Cross multiply
   1,996,598.56x = 2,993,699.10 × 915,757.20
4. Step 4: Simplify right side
   1,996,598.56x = 2,741,501,505,458.52
5. Step 5: Solve for x
   x = 2,741,501,505,458.52/1,996,598.56
6. Step 6: Final answer
   x = 1,373,085.99