Finding the Fourth Proportional to 479,061.22, 716,434.89 and 426,064.74

Step by Step Solution

1. Step 1: Write the proportion equation
   479,061.22 : 716,434.89 = 426,064.74 : x
2. Step 2: Convert to fraction form
   479,061.22/716,434.89 = 426,064.74/x
3. Step 3: Cross multiply
   479,061.22x = 716,434.89 × 426,064.74
4. Step 4: Simplify right side
   479,061.22x = 305,247,645,134.78
5. Step 5: Solve for x
   x = 305,247,645,134.78/479,061.22
6. Step 6: Final answer
   x = 637,178.78