Finding the Fourth Proportional to 64,614,456.78, 89,168,519.42 and 35,245,919.94

Step by Step Solution

1. Step 1: Write the proportion equation
   64,614,456.78 : 89,168,519.42 = 35,245,919.94 : x
2. Step 2: Convert to fraction form
   64,614,456.78/89,168,519.42 = 35,245,919.94/x
3. Step 3: Cross multiply
   64,614,456.78x = 89,168,519.42 × 35,245,919.94
4. Step 4: Simplify right side
   64,614,456.78x = 3,142,826,496,645,655
5. Step 5: Solve for x
   x = 3,142,826,496,645,655/64,614,456.78
6. Step 6: Final answer
   x = 48,639,679.93