Finding the Fourth Proportional to 37,858.51, 52,247.03 and 20,862.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,858.51 : 52,247.03 = 20,862.72 : x
2. Step 2: Convert to fraction form
   37,858.51/52,247.03 = 20,862.72/x
3. Step 3: Cross multiply
   37,858.51x = 52,247.03 × 20,862.72
4. Step 4: Simplify right side
   37,858.51x = 1,090,015,157.72
5. Step 5: Solve for x
   x = 1,090,015,157.72/37,858.51
6. Step 6: Final answer
   x = 28,791.81