Finding the Fourth Proportional to 970,419.88, 1,339,161.72 and 540,690.82

Step by Step Solution

1. Step 1: Write the proportion equation
   970,419.88 : 1,339,161.72 = 540,690.82 : x
2. Step 2: Convert to fraction form
   970,419.88/1,339,161.72 = 540,690.82/x
3. Step 3: Cross multiply
   970,419.88x = 1,339,161.72 × 540,690.82
4. Step 4: Simplify right side
   970,419.88x = 724,072,448,499.41
5. Step 5: Solve for x
   x = 724,072,448,499.41/970,419.88
6. Step 6: Final answer
   x = 746,143.46