Finding the Fourth Proportional to 37,513.10, 51,765.99 and 20,513.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,513.10 : 51,765.99 = 20,513.96 : x
2. Step 2: Convert to fraction form
   37,513.10/51,765.99 = 20,513.96/x
3. Step 3: Cross multiply
   37,513.10x = 51,765.99 × 20,513.96
4. Step 4: Simplify right side
   37,513.10x = 1,061,925,448.22
5. Step 5: Solve for x
   x = 1,061,925,448.22/37,513.10
6. Step 6: Final answer
   x = 28,308.12