Finding the Fourth Proportional to 118,825.98, 163,978.89 and 65,110.84

Step by Step Solution

1. Step 1: Write the proportion equation
   118,825.98 : 163,978.89 = 65,110.84 : x
2. Step 2: Convert to fraction form
   118,825.98/163,978.89 = 65,110.84/x
3. Step 3: Cross multiply
   118,825.98x = 163,978.89 × 65,110.84
4. Step 4: Simplify right side
   118,825.98x = 10,676,803,270.17
5. Step 5: Solve for x
   x = 10,676,803,270.17/118,825.98
6. Step 6: Final answer
   x = 89,852.43