Finding the Fourth Proportional to 37,499.70, 51,749.10 and 20,503.74

Step by Step Solution

1. Step 1: Write the proportion equation
   37,499.70 : 51,749.10 = 20,503.74 : x
2. Step 2: Convert to fraction form
   37,499.70/51,749.10 = 20,503.74/x
3. Step 3: Cross multiply
   37,499.70x = 51,749.10 × 20,503.74
4. Step 4: Simplify right side
   37,499.70x = 1,061,050,091.63
5. Step 5: Solve for x
   x = 1,061,050,091.63/37,499.70
6. Step 6: Final answer
   x = 28,294.90