Finding the Fourth Proportional to 37,643.10, 51,946.71 and 20,876.10

Step by Step Solution

1. Step 1: Write the proportion equation
   37,643.10 : 51,946.71 = 20,876.10 : x
2. Step 2: Convert to fraction form
   37,643.10/51,946.71 = 20,876.10/x
3. Step 3: Cross multiply
   37,643.10x = 51,946.71 × 20,876.10
4. Step 4: Simplify right side
   37,643.10x = 1,084,444,712.63
5. Step 5: Solve for x
   x = 1,084,444,712.63/37,643.10
6. Step 6: Final answer
   x = 28,808.59