Finding the Fourth Proportional to 158,338.72, 237,529.95 and 53,187.76

Step by Step Solution

1. Step 1: Write the proportion equation
   158,338.72 : 237,529.95 = 53,187.76 : x
2. Step 2: Convert to fraction form
   158,338.72/237,529.95 = 53,187.76/x
3. Step 3: Cross multiply
   158,338.72x = 237,529.95 × 53,187.76
4. Step 4: Simplify right side
   158,338.72x = 12,633,685,973.41
5. Step 5: Solve for x
   x = 12,633,685,973.41/158,338.72
6. Step 6: Final answer
   x = 79,788.99