Finding the Fourth Proportional to 37,056.89, 51,138.69 and 20,061.15

Step by Step Solution

1. Step 1: Write the proportion equation
   37,056.89 : 51,138.69 = 20,061.15 : x
2. Step 2: Convert to fraction form
   37,056.89/51,138.69 = 20,061.15/x
3. Step 3: Cross multiply
   37,056.89x = 51,138.69 × 20,061.15
4. Step 4: Simplify right side
   37,056.89x = 1,025,900,663.89
5. Step 5: Solve for x
   x = 1,025,900,663.89/37,056.89
6. Step 6: Final answer
   x = 27,684.48