Finding the Fourth Proportional to 118,799.00, 163,942.61 and 65,085.92

Step by Step Solution

1. Step 1: Write the proportion equation
   118,799.00 : 163,942.61 = 65,085.92 : x
2. Step 2: Convert to fraction form
   118,799.00/163,942.61 = 65,085.92/x
3. Step 3: Cross multiply
   118,799.00x = 163,942.61 × 65,085.92
4. Step 4: Simplify right side
   118,799.00x = 10,670,354,453.91
5. Step 5: Solve for x
   x = 10,670,354,453.91/118,799.00
6. Step 6: Final answer
   x = 89,818.56