Finding the Fourth Proportional to 970,196.68, 1,338,872.16 and 540,477.88

Step by Step Solution

1. Step 1: Write the proportion equation
   970,196.68 : 1,338,872.16 = 540,477.88 : x
2. Step 2: Convert to fraction form
   970,196.68/1,338,872.16 = 540,477.88/x
3. Step 3: Cross multiply
   970,196.68x = 1,338,872.16 × 540,477.88
4. Step 4: Simplify right side
   970,196.68x = 723,630,786,627.82
5. Step 5: Solve for x
   x = 723,630,786,627.82/970,196.68
6. Step 6: Final answer
   x = 745,859.89