Finding the Fourth Proportional to 1,742,496.59, 2,404,699.10 and 978,566.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742,496.59 : 2,404,699.10 = 978,566.55 : x
2. Step 2: Convert to fraction form
   1,742,496.59/2,404,699.10 = 978,566.55/x
3. Step 3: Cross multiply
   1,742,496.59x = 2,404,699.10 × 978,566.55
4. Step 4: Simplify right side
   1,742,496.59x = 2,353,158,097,182.27
5. Step 5: Solve for x
   x = 2,353,158,097,182.27/1,742,496.59
6. Step 6: Final answer
   x = 1,350,452.06