Finding the Fourth Proportional to 118,440.00, 163,447.62 and 64,725.02

Step by Step Solution

1. Step 1: Write the proportion equation
   118,440.00 : 163,447.62 = 64,725.02 : x
2. Step 2: Convert to fraction form
   118,440.00/163,447.62 = 64,725.02/x
3. Step 3: Cross multiply
   118,440.00x = 163,447.62 × 64,725.02
4. Step 4: Simplify right side
   118,440.00x = 10,579,150,473.45
5. Step 5: Solve for x
   x = 10,579,150,473.45/118,440.00
6. Step 6: Final answer
   x = 89,320.76