Finding the Fourth Proportional to 118,802.48, 163,946.94 and 65,087.42

Step by Step Solution

1. Step 1: Write the proportion equation
   118,802.48 : 163,946.94 = 65,087.42 : x
2. Step 2: Convert to fraction form
   118,802.48/163,946.94 = 65,087.42/x
3. Step 3: Cross multiply
   118,802.48x = 163,946.94 × 65,087.42
4. Step 4: Simplify right side
   118,802.48x = 10,670,883,341.49
5. Step 5: Solve for x
   x = 10,670,883,341.49/118,802.48
6. Step 6: Final answer
   x = 89,820.38