Finding the Fourth Proportional to 52,623.28, 72,620.04 and 28,749.95

Step by Step Solution

1. Step 1: Write the proportion equation
   52,623.28 : 72,620.04 = 28,749.95 : x
2. Step 2: Convert to fraction form
   52,623.28/72,620.04 = 28,749.95/x
3. Step 3: Cross multiply
   52,623.28x = 72,620.04 × 28,749.95
4. Step 4: Simplify right side
   52,623.28x = 2,087,822,519.00
5. Step 5: Solve for x
   x = 2,087,822,519.00/52,623.28
6. Step 6: Final answer
   x = 39,674.88