Finding the Fourth Proportional to 12,529.52, 18,788.62 and 3,762.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,529.52 : 18,788.62 = 3,762.72 : x
2. Step 2: Convert to fraction form
   12,529.52/18,788.62 = 3,762.72/x
3. Step 3: Cross multiply
   12,529.52x = 18,788.62 × 3,762.72
4. Step 4: Simplify right side
   12,529.52x = 70,696,316.25
5. Step 5: Solve for x
   x = 70,696,316.25/12,529.52
6. Step 6: Final answer
   x = 5,642.38