Finding the Fourth Proportional to 118,060.47, 162,918.72 and 64,344.36

Step by Step Solution

1. Step 1: Write the proportion equation
   118,060.47 : 162,918.72 = 64,344.36 : x
2. Step 2: Convert to fraction form
   118,060.47/162,918.72 = 64,344.36/x
3. Step 3: Cross multiply
   118,060.47x = 162,918.72 × 64,344.36
4. Step 4: Simplify right side
   118,060.47x = 10,482,900,770.42
5. Step 5: Solve for x
   x = 10,482,900,770.42/118,060.47
6. Step 6: Final answer
   x = 88,792.64