Finding the Fourth Proportional to 52,269, 72,131.82 and 28,396.04

Step by Step Solution

1. Step 1: Write the proportion equation
   52,269 : 72,131.82 = 28,396.04 : x
2. Step 2: Convert to fraction form
   52,269/72,131.82 = 28,396.04/x
3. Step 3: Cross multiply
   52,269x = 72,131.82 × 28,396.04
4. Step 4: Simplify right side
   52,269x = 2,048,258,045.99
5. Step 5: Solve for x
   x = 2,048,258,045.99/52,269
6. Step 6: Final answer
   x = 39,186.86