Finding the Fourth Proportional to 118,223.82, 163,146.69 and 64,507.46

Step by Step Solution

1. Step 1: Write the proportion equation
   118,223.82 : 163,146.69 = 64,507.46 : x
2. Step 2: Convert to fraction form
   118,223.82/163,146.69 = 64,507.46/x
3. Step 3: Cross multiply
   118,223.82x = 163,146.69 × 64,507.46
4. Step 4: Simplify right side
   118,223.82x = 10,524,177,763.57
5. Step 5: Solve for x
   x = 10,524,177,763.57/118,223.82
6. Step 6: Final answer
   x = 89,019.10