Finding the Fourth Proportional to 117,863.88, 162,655.60 and 64,152.37

Step by Step Solution

1. Step 1: Write the proportion equation
   117,863.88 : 162,655.60 = 64,152.37 : x
2. Step 2: Convert to fraction form
   117,863.88/162,655.60 = 64,152.37/x
3. Step 3: Cross multiply
   117,863.88x = 162,655.60 × 64,152.37
4. Step 4: Simplify right side
   117,863.88x = 10,434,742,306.78
5. Step 5: Solve for x
   x = 10,434,742,306.78/117,863.88
6. Step 6: Final answer
   x = 88,532.15