Finding the Fourth Proportional to 116,352.31, 160,566.21 and 64,669.41

Step by Step Solution

1. Step 1: Write the proportion equation
   116,352.31 : 160,566.21 = 64,669.41 : x
2. Step 2: Convert to fraction form
   116,352.31/160,566.21 = 64,669.41/x
3. Step 3: Cross multiply
   116,352.31x = 160,566.21 × 64,669.41
4. Step 4: Simplify right side
   116,352.31x = 10,383,722,066.64
5. Step 5: Solve for x
   x = 10,383,722,066.64/116,352.31
6. Step 6: Final answer
   x = 89,243.80