Finding the Fourth Proportional to 115,810.16, 159,804.59 and 64,825.74

Step by Step Solution

1. Step 1: Write the proportion equation
   115,810.16 : 159,804.59 = 64,825.74 : x
2. Step 2: Convert to fraction form
   115,810.16/159,804.59 = 64,825.74/x
3. Step 3: Cross multiply
   115,810.16x = 159,804.59 × 64,825.74
4. Step 4: Simplify right side
   115,810.16x = 10,359,450,478.02
5. Step 5: Solve for x
   x = 10,359,450,478.02/115,810.16
6. Step 6: Final answer
   x = 89,452.00