Finding the Fourth Proportional to 117,764.57, 162,510.43 and 64,049.56

Step by Step Solution

1. Step 1: Write the proportion equation
   117,764.57 : 162,510.43 = 64,049.56 : x
2. Step 2: Convert to fraction form
   117,764.57/162,510.43 = 64,049.56/x
3. Step 3: Cross multiply
   117,764.57x = 162,510.43 × 64,049.56
4. Step 4: Simplify right side
   117,764.57x = 10,408,721,536.91
5. Step 5: Solve for x
   x = 10,408,721,536.91/117,764.57
6. Step 6: Final answer
   x = 88,385.85