Finding the Fourth Proportional to 52,015.94, 71,781.48 and 28,142.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,015.94 : 71,781.48 = 28,142.10 : x
2. Step 2: Convert to fraction form
   52,015.94/71,781.48 = 28,142.10/x
3. Step 3: Cross multiply
   52,015.94x = 71,781.48 × 28,142.10
4. Step 4: Simplify right side
   52,015.94x = 2,020,081,588.31
5. Step 5: Solve for x
   x = 2,020,081,588.31/52,015.94
6. Step 6: Final answer
   x = 38,835.82