Finding the Fourth Proportional to 118,084.56, 162,951.88 and 64,368.40

Step by Step Solution

1. Step 1: Write the proportion equation
   118,084.56 : 162,951.88 = 64,368.40 : x
2. Step 2: Convert to fraction form
   118,084.56/162,951.88 = 64,368.40/x
3. Step 3: Cross multiply
   118,084.56x = 162,951.88 × 64,368.40
4. Step 4: Simplify right side
   118,084.56x = 10,488,951,792.59
5. Step 5: Solve for x
   x = 10,488,951,792.59/118,084.56
6. Step 6: Final answer
   x = 88,825.77