Finding the Fourth Proportional to 117,731.86, 162,470.73 and 64,017.46

Step by Step Solution

1. Step 1: Write the proportion equation
   117,731.86 : 162,470.73 = 64,017.46 : x
2. Step 2: Convert to fraction form
   117,731.86/162,470.73 = 64,017.46/x
3. Step 3: Cross multiply
   117,731.86x = 162,470.73 × 64,017.46
4. Step 4: Simplify right side
   117,731.86x = 10,400,963,458.95
5. Step 5: Solve for x
   x = 10,400,963,458.95/117,731.86
6. Step 6: Final answer
   x = 88,344.51