Finding the Fourth Proportional to 37,800.51, 52,167.95 and 20,808.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,800.51 : 52,167.95 = 20,808.12 : x
2. Step 2: Convert to fraction form
   37,800.51/52,167.95 = 20,808.12/x
3. Step 3: Cross multiply
   37,800.51x = 52,167.95 × 20,808.12
4. Step 4: Simplify right side
   37,800.51x = 1,085,516,859.71
5. Step 5: Solve for x
   x = 1,085,516,859.71/37,800.51
6. Step 6: Final answer
   x = 28,716.99