Finding the Fourth Proportional to 52,780.41, 72,833.18 and 28,903.23

Step by Step Solution

1. Step 1: Write the proportion equation
   52,780.41 : 72,833.18 = 28,903.23 : x
2. Step 2: Convert to fraction form
   52,780.41/72,833.18 = 28,903.23/x
3. Step 3: Cross multiply
   52,780.41x = 72,833.18 × 28,903.23
4. Step 4: Simplify right side
   52,780.41x = 2,105,114,008.66
5. Step 5: Solve for x
   x = 2,105,114,008.66/52,780.41
6. Step 6: Final answer
   x = 39,884.38