Finding the Fourth Proportional to 1,008,561.34, 1,391,774.10 and 549,666.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,561.34 : 1,391,774.10 = 549,666.10 : x
2. Step 2: Convert to fraction form
   1,008,561.34/1,391,774.10 = 549,666.10/x
3. Step 3: Cross multiply
   1,008,561.34x = 1,391,774.10 × 549,666.10
4. Step 4: Simplify right side
   1,008,561.34x = 765,011,042,148.22
5. Step 5: Solve for x
   x = 765,011,042,148.22/1,008,561.34
6. Step 6: Final answer
   x = 758,517.12