Finding the Fourth Proportional to 52,507.49, 72,458.73 and 28,634.63

Step by Step Solution

1. Step 1: Write the proportion equation
   52,507.49 : 72,458.73 = 28,634.63 : x
2. Step 2: Convert to fraction form
   52,507.49/72,458.73 = 28,634.63/x
3. Step 3: Cross multiply
   52,507.49x = 72,458.73 × 28,634.63
4. Step 4: Simplify right side
   52,507.49x = 2,074,828,561.53
5. Step 5: Solve for x
   x = 2,074,828,561.53/52,507.49
6. Step 6: Final answer
   x = 39,514.91