Finding the Fourth Proportional to 117,585.07, 162,268.87 and 63,870.98

Step by Step Solution

1. Step 1: Write the proportion equation
   117,585.07 : 162,268.87 = 63,870.98 : x
2. Step 2: Convert to fraction form
   117,585.07/162,268.87 = 63,870.98/x
3. Step 3: Cross multiply
   117,585.07x = 162,268.87 × 63,870.98
4. Step 4: Simplify right side
   117,585.07x = 10,364,271,811.89
5. Step 5: Solve for x
   x = 10,364,271,811.89/117,585.07
6. Step 6: Final answer
   x = 88,142.76