Finding the Fourth Proportional to 118,773.74, 163,910.12 and 65,058.76

Step by Step Solution

1. Step 1: Write the proportion equation
   118,773.74 : 163,910.12 = 65,058.76 : x
2. Step 2: Convert to fraction form
   118,773.74/163,910.12 = 65,058.76/x
3. Step 3: Cross multiply
   118,773.74x = 163,910.12 × 65,058.76
4. Step 4: Simplify right side
   118,773.74x = 10,663,789,158.65
5. Step 5: Solve for x
   x = 10,663,789,158.65/118,773.74
6. Step 6: Final answer
   x = 89,782.38