Finding the Fourth Proportional to 37,503, 51,754.19 and 20,507.31

Step by Step Solution

1. Step 1: Write the proportion equation
   37,503 : 51,754.19 = 20,507.31 : x
2. Step 2: Convert to fraction form
   37,503/51,754.19 = 20,507.31/x
3. Step 3: Cross multiply
   37,503x = 51,754.19 × 20,507.31
4. Step 4: Simplify right side
   37,503x = 1,061,339,218.13
5. Step 5: Solve for x
   x = 1,061,339,218.13/37,503
6. Step 6: Final answer
   x = 28,300.12