Finding the Fourth Proportional to 118,340.16, 163,310.76 and 64,625.82

Step by Step Solution

1. Step 1: Write the proportion equation
   118,340.16 : 163,310.76 = 64,625.82 : x
2. Step 2: Convert to fraction form
   118,340.16/163,310.76 = 64,625.82/x
3. Step 3: Cross multiply
   118,340.16x = 163,310.76 × 64,625.82
4. Step 4: Simplify right side
   118,340.16x = 10,554,091,779.82
5. Step 5: Solve for x
   x = 10,554,091,779.82/118,340.16
6. Step 6: Final answer
   x = 89,184.36