Finding the Fourth Proportional to 118,730.39, 163,841.83 and 65,005.01

Step by Step Solution

1. Step 1: Write the proportion equation
   118,730.39 : 163,841.83 = 65,005.01 : x
2. Step 2: Convert to fraction form
   118,730.39/163,841.83 = 65,005.01/x
3. Step 3: Cross multiply
   118,730.39x = 163,841.83 × 65,005.01
4. Step 4: Simplify right side
   118,730.39x = 10,650,539,472.54
5. Step 5: Solve for x
   x = 10,650,539,472.54/118,730.39
6. Step 6: Final answer
   x = 89,703.57