Finding the Fourth Proportional to 1,008,088.31, 1,391,145.57 and 549,208.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,088.31 : 1,391,145.57 = 549,208.37 : x
2. Step 2: Convert to fraction form
   1,008,088.31/1,391,145.57 = 549,208.37/x
3. Step 3: Cross multiply
   1,008,088.31x = 1,391,145.57 × 549,208.37
4. Step 4: Simplify right side
   1,008,088.31x = 764,028,790,932.42
5. Step 5: Solve for x
   x = 764,028,790,932.42/1,008,088.31
6. Step 6: Final answer
   x = 757,898.67