Finding the Fourth Proportional to 117,841.43, 162,624.59 and 64,129.91

Step by Step Solution

1. Step 1: Write the proportion equation
   117,841.43 : 162,624.59 = 64,129.91 : x
2. Step 2: Convert to fraction form
   117,841.43/162,624.59 = 64,129.91/x
3. Step 3: Cross multiply
   117,841.43x = 162,624.59 × 64,129.91
4. Step 4: Simplify right side
   117,841.43x = 10,429,100,320.49
5. Step 5: Solve for x
   x = 10,429,100,320.49/117,841.43
6. Step 6: Final answer
   x = 88,501.14