Finding the Fourth Proportional to 117,870.84, 162,659.46 and 64,157.04

Step by Step Solution

1. Step 1: Write the proportion equation
   117,870.84 : 162,659.46 = 64,157.04 : x
2. Step 2: Convert to fraction form
   117,870.84/162,659.46 = 64,157.04/x
3. Step 3: Cross multiply
   117,870.84x = 162,659.46 × 64,157.04
4. Step 4: Simplify right side
   117,870.84x = 10,435,749,481.60
5. Step 5: Solve for x
   x = 10,435,749,481.60/117,870.84
6. Step 6: Final answer
   x = 88,535.46