Finding the Fourth Proportional to 117,870.58, 162,660.18 and 64,155.52

Step by Step Solution

1. Step 1: Write the proportion equation
   117,870.58 : 162,660.18 = 64,155.52 : x
2. Step 2: Convert to fraction form
   117,870.58/162,660.18 = 64,155.52/x
3. Step 3: Cross multiply
   117,870.58x = 162,660.18 × 64,155.52
4. Step 4: Simplify right side
   117,870.58x = 10,435,548,431.19
5. Step 5: Solve for x
   x = 10,435,548,431.19/117,870.58
6. Step 6: Final answer
   x = 88,533.95