Finding the Fourth Proportional to 52,308.17, 72,185.74 and 28,434.88

Step by Step Solution

1. Step 1: Write the proportion equation
   52,308.17 : 72,185.74 = 28,434.88 : x
2. Step 2: Convert to fraction form
   52,308.17/72,185.74 = 28,434.88/x
3. Step 3: Cross multiply
   52,308.17x = 72,185.74 × 28,434.88
4. Step 4: Simplify right side
   52,308.17x = 2,052,592,873.76
5. Step 5: Solve for x
   x = 2,052,592,873.76/52,308.17
6. Step 6: Final answer
   x = 39,240.39