Finding the Fourth Proportional to 117,717.84, 162,450.48 and 64,002.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,717.84 : 162,450.48 = 64,002.72 : x
2. Step 2: Convert to fraction form
   117,717.84/162,450.48 = 64,002.72/x
3. Step 3: Cross multiply
   117,717.84x = 162,450.48 × 64,002.72
4. Step 4: Simplify right side
   117,717.84x = 10,397,272,585.31
5. Step 5: Solve for x
   x = 10,397,272,585.31/117,717.84
6. Step 6: Final answer
   x = 88,323.68