Finding the Fourth Proportional to 117,780.24, 162,538.34 and 64,067.52

Step by Step Solution

1. Step 1: Write the proportion equation
   117,780.24 : 162,538.34 = 64,067.52 : x
2. Step 2: Convert to fraction form
   117,780.24/162,538.34 = 64,067.52/x
3. Step 3: Cross multiply
   117,780.24x = 162,538.34 × 64,067.52
4. Step 4: Simplify right side
   117,780.24x = 10,413,428,348.72
5. Step 5: Solve for x
   x = 10,413,428,348.72/117,780.24
6. Step 6: Final answer
   x = 88,414.05