Finding the Fourth Proportional to 158,978.35, 238,319.29 and 53,723.71

Step by Step Solution

1. Step 1: Write the proportion equation
   158,978.35 : 238,319.29 = 53,723.71 : x
2. Step 2: Convert to fraction form
   158,978.35/238,319.29 = 53,723.71/x
3. Step 3: Cross multiply
   158,978.35x = 238,319.29 × 53,723.71
4. Step 4: Simplify right side
   158,978.35x = 12,803,396,423.37
5. Step 5: Solve for x
   x = 12,803,396,423.37/158,978.35
6. Step 6: Final answer
   x = 80,535.47