Finding the Fourth Proportional to 118,051.92, 162,906.89 and 64,335.77

Step by Step Solution

1. Step 1: Write the proportion equation
   118,051.92 : 162,906.89 = 64,335.77 : x
2. Step 2: Convert to fraction form
   118,051.92/162,906.89 = 64,335.77/x
3. Step 3: Cross multiply
   118,051.92x = 162,906.89 × 64,335.77
4. Step 4: Simplify right side
   118,051.92x = 10,480,739,070.24
5. Step 5: Solve for x
   x = 10,480,739,070.24/118,051.92
6. Step 6: Final answer
   x = 88,780.76