Finding the Fourth Proportional to 118,771.47, 163,904.65 and 65,058.41

Step by Step Solution

1. Step 1: Write the proportion equation
   118,771.47 : 163,904.65 = 65,058.41 : x
2. Step 2: Convert to fraction form
   118,771.47/163,904.65 = 65,058.41/x
3. Step 3: Cross multiply
   118,771.47x = 163,904.65 × 65,058.41
4. Step 4: Simplify right side
   118,771.47x = 10,663,376,167.72
5. Step 5: Solve for x
   x = 10,663,376,167.72/118,771.47
6. Step 6: Final answer
   x = 89,780.62