Finding the Fourth Proportional to 1,343,728.42, 1,854,345.18 and 740,116.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343,728.42 : 1,854,345.18 = 740,116.42 : x
2. Step 2: Convert to fraction form
   1,343,728.42/1,854,345.18 = 740,116.42/x
3. Step 3: Cross multiply
   1,343,728.42x = 1,854,345.18 × 740,116.42
4. Step 4: Simplify right side
   1,343,728.42x = 1,372,431,316,065.86
5. Step 5: Solve for x
   x = 1,372,431,316,065.86/1,343,728.42
6. Step 6: Final answer
   x = 1,021,360.64