Finding the Fourth Proportional to 118,066.95, 162,931.77 and 64,351.80

Step by Step Solution

1. Step 1: Write the proportion equation
   118,066.95 : 162,931.77 = 64,351.80 : x
2. Step 2: Convert to fraction form
   118,066.95/162,931.77 = 64,351.80/x
3. Step 3: Cross multiply
   118,066.95x = 162,931.77 × 64,351.80
4. Step 4: Simplify right side
   118,066.95x = 10,484,952,676.69
5. Step 5: Solve for x
   x = 10,484,952,676.69/118,066.95
6. Step 6: Final answer
   x = 88,805.15