Finding the Fourth Proportional to 1,008,729.94, 1,392,005.42 and 549,834.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,729.94 : 1,392,005.42 = 549,834.42 : x
2. Step 2: Convert to fraction form
   1,008,729.94/1,392,005.42 = 549,834.42/x
3. Step 3: Cross multiply
   1,008,729.94x = 1,392,005.42 × 549,834.42
4. Step 4: Simplify right side
   1,008,729.94x = 765,372,492,742.56
5. Step 5: Solve for x
   x = 765,372,492,742.56/1,008,729.94
6. Step 6: Final answer
   x = 758,748.66