Finding the Fourth Proportional to 117,812.52, 162,581.67 and 64,097.55

Step by Step Solution

1. Step 1: Write the proportion equation
   117,812.52 : 162,581.67 = 64,097.55 : x
2. Step 2: Convert to fraction form
   117,812.52/162,581.67 = 64,097.55/x
3. Step 3: Cross multiply
   117,812.52x = 162,581.67 × 64,097.55
4. Step 4: Simplify right side
   117,812.52x = 10,421,086,721.91
5. Step 5: Solve for x
   x = 10,421,086,721.91/117,812.52
6. Step 6: Final answer
   x = 88,454.83