Finding the Fourth Proportional to 38,013.57, 52,458.95 and 20,786.00

Step by Step Solution

1. Step 1: Write the proportion equation
   38,013.57 : 52,458.95 = 20,786.00 : x
2. Step 2: Convert to fraction form
   38,013.57/52,458.95 = 20,786.00/x
3. Step 3: Cross multiply
   38,013.57x = 52,458.95 × 20,786.00
4. Step 4: Simplify right side
   38,013.57x = 1,090,411,524.37
5. Step 5: Solve for x
   x = 1,090,411,524.37/38,013.57
6. Step 6: Final answer
   x = 28,684.80