Finding the Fourth Proportional to 118,100.42, 162,979.81 and 64,385.14

Step by Step Solution

1. Step 1: Write the proportion equation
   118,100.42 : 162,979.81 = 64,385.14 : x
2. Step 2: Convert to fraction form
   118,100.42/162,979.81 = 64,385.14/x
3. Step 3: Cross multiply
   118,100.42x = 162,979.81 × 64,385.14
4. Step 4: Simplify right side
   118,100.42x = 10,493,477,884.02
5. Step 5: Solve for x
   x = 10,493,477,884.02/118,100.42
6. Step 6: Final answer
   x = 88,852.16