Finding the Fourth Proportional to 115,053.75, 158,788.76 and 64,762.47

Step by Step Solution

1. Step 1: Write the proportion equation
   115,053.75 : 158,788.76 = 64,762.47 : x
2. Step 2: Convert to fraction form
   115,053.75/158,788.76 = 64,762.47/x
3. Step 3: Cross multiply
   115,053.75x = 158,788.76 × 64,762.47
4. Step 4: Simplify right side
   115,053.75x = 10,283,551,982.02
5. Step 5: Solve for x
   x = 10,283,551,982.02/115,053.75
6. Step 6: Final answer
   x = 89,380.42