Finding the Fourth Proportional to 28,632.96, 39,498.56 and 18,002.56

Step by Step Solution

1. Step 1: Write the proportion equation
   28,632.96 : 39,498.56 = 18,002.56 : x
2. Step 2: Convert to fraction form
   28,632.96/39,498.56 = 18,002.56/x
3. Step 3: Cross multiply
   28,632.96x = 39,498.56 × 18,002.56
4. Step 4: Simplify right side
   28,632.96x = 711,075,196.31
5. Step 5: Solve for x
   x = 711,075,196.31/28,632.96
6. Step 6: Final answer
   x = 24,834.15