Finding the Fourth Proportional to 1,008,465.86, 1,391,642.37 and 549,570.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,465.86 : 1,391,642.37 = 549,570.59 : x
2. Step 2: Convert to fraction form
   1,008,465.86/1,391,642.37 = 549,570.59/x
3. Step 3: Cross multiply
   1,008,465.86x = 1,391,642.37 × 549,570.59
4. Step 4: Simplify right side
   1,008,465.86x = 764,805,716,610.35
5. Step 5: Solve for x
   x = 764,805,716,610.35/1,008,465.86
6. Step 6: Final answer
   x = 758,385.33