Finding the Fourth Proportional to 115,470.42, 159,347.61 and 64,483.98

Step by Step Solution

1. Step 1: Write the proportion equation
   115,470.42 : 159,347.61 = 64,483.98 : x
2. Step 2: Convert to fraction form
   115,470.42/159,347.61 = 64,483.98/x
3. Step 3: Cross multiply
   115,470.42x = 159,347.61 × 64,483.98
4. Step 4: Simplify right side
   115,470.42x = 10,275,368,096.29
5. Step 5: Solve for x
   x = 10,275,368,096.29/115,470.42
6. Step 6: Final answer
   x = 88,987.02