Finding the Fourth Proportional to 118,079.48, 162,947.58 and 64,364.96

Step by Step Solution

1. Step 1: Write the proportion equation
   118,079.48 : 162,947.58 = 64,364.96 : x
2. Step 2: Convert to fraction form
   118,079.48/162,947.58 = 64,364.96/x
3. Step 3: Cross multiply
   118,079.48x = 162,947.58 × 64,364.96
4. Step 4: Simplify right side
   118,079.48x = 10,488,114,468.80
5. Step 5: Solve for x
   x = 10,488,114,468.80/118,079.48
6. Step 6: Final answer
   x = 88,822.50