Finding the Fourth Proportional to 118,011.34, 162,857.52 and 64,296.35

Step by Step Solution

1. Step 1: Write the proportion equation
   118,011.34 : 162,857.52 = 64,296.35 : x
2. Step 2: Convert to fraction form
   118,011.34/162,857.52 = 64,296.35/x
3. Step 3: Cross multiply
   118,011.34x = 162,857.52 × 64,296.35
4. Step 4: Simplify right side
   118,011.34x = 10,471,143,291.76
5. Step 5: Solve for x
   x = 10,471,143,291.76/118,011.34
6. Step 6: Final answer
   x = 88,729.98