Finding the Fourth Proportional to 118,060.39, 162,918.59 and 64,344.25

Step by Step Solution

1. Step 1: Write the proportion equation
   118,060.39 : 162,918.59 = 64,344.25 : x
2. Step 2: Convert to fraction form
   118,060.39/162,918.59 = 64,344.25/x
3. Step 3: Cross multiply
   118,060.39x = 162,918.59 × 64,344.25
4. Step 4: Simplify right side
   118,060.39x = 10,482,873,755.59
5. Step 5: Solve for x
   x = 10,482,873,755.59/118,060.39
6. Step 6: Final answer
   x = 88,792.47