Finding the Fourth Proportional to 52,274.84, 72,139.00 and 28,401.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,274.84 : 72,139.00 = 28,401.53 : x
2. Step 2: Convert to fraction form
   52,274.84/72,139.00 = 28,401.53/x
3. Step 3: Cross multiply
   52,274.84x = 72,139.00 × 28,401.53
4. Step 4: Simplify right side
   52,274.84x = 2,048,857,830.66
5. Step 5: Solve for x
   x = 2,048,857,830.66/52,274.84
6. Step 6: Final answer
   x = 39,193.96