Finding the Fourth Proportional to 117,585.33, 162,268.38 and 63,870.78

Step by Step Solution

1. Step 1: Write the proportion equation
   117,585.33 : 162,268.38 = 63,870.78 : x
2. Step 2: Convert to fraction form
   117,585.33/162,268.38 = 63,870.78/x
3. Step 3: Cross multiply
   117,585.33x = 162,268.38 × 63,870.78
4. Step 4: Simplify right side
   117,585.33x = 10,364,207,999.94
5. Step 5: Solve for x
   x = 10,364,207,999.94/117,585.33
6. Step 6: Final answer
   x = 88,142.02