Finding the Fourth Proportional to 64,830.79, 89,466.51 and 35,022.79

Step by Step Solution

1. Step 1: Write the proportion equation
   64,830.79 : 89,466.51 = 35,022.79 : x
2. Step 2: Convert to fraction form
   64,830.79/89,466.51 = 35,022.79/x
3. Step 3: Cross multiply
   64,830.79x = 89,466.51 × 35,022.79
4. Step 4: Simplify right side
   64,830.79x = 3,133,366,791.76
5. Step 5: Solve for x
   x = 3,133,366,791.76/64,830.79
6. Step 6: Final answer
   x = 48,331.46