Finding the Fourth Proportional to 115,003.31, 158,704.52 and 64,014.93

Step by Step Solution

1. Step 1: Write the proportion equation
   115,003.31 : 158,704.52 = 64,014.93 : x
2. Step 2: Convert to fraction form
   115,003.31/158,704.52 = 64,014.93/x
3. Step 3: Cross multiply
   115,003.31x = 158,704.52 × 64,014.93
4. Step 4: Simplify right side
   115,003.31x = 10,159,458,418.41
5. Step 5: Solve for x
   x = 10,159,458,418.41/115,003.31
6. Step 6: Final answer
   x = 88,340.58