Finding the Fourth Proportional to 52,849.23, 72,931.42 and 28,975.86

Step by Step Solution

1. Step 1: Write the proportion equation
   52,849.23 : 72,931.42 = 28,975.86 : x
2. Step 2: Convert to fraction form
   52,849.23/72,931.42 = 28,975.86/x
3. Step 3: Cross multiply
   52,849.23x = 72,931.42 × 28,975.86
4. Step 4: Simplify right side
   52,849.23x = 2,113,250,651.74
5. Step 5: Solve for x
   x = 2,113,250,651.74/52,849.23
6. Step 6: Final answer
   x = 39,986.41