Finding the Fourth Proportional to 52,182.72, 72,011.16 and 28,308.96

Step by Step Solution

1. Step 1: Write the proportion equation
   52,182.72 : 72,011.16 = 28,308.96 : x
2. Step 2: Convert to fraction form
   52,182.72/72,011.16 = 28,308.96/x
3. Step 3: Cross multiply
   52,182.72x = 72,011.16 × 28,308.96
4. Step 4: Simplify right side
   52,182.72x = 2,038,561,047.99
5. Step 5: Solve for x
   x = 2,038,561,047.99/52,182.72
6. Step 6: Final answer
   x = 39,065.83