Finding the Fourth Proportional to 37,096.10, 51,201.90 and 21,189.78

Step by Step Solution

1. Step 1: Write the proportion equation
   37,096.10 : 51,201.90 = 21,189.78 : x
2. Step 2: Convert to fraction form
   37,096.10/51,201.90 = 21,189.78/x
3. Step 3: Cross multiply
   37,096.10x = 51,201.90 × 21,189.78
4. Step 4: Simplify right side
   37,096.10x = 1,084,956,996.58
5. Step 5: Solve for x
   x = 1,084,956,996.58/37,096.10
6. Step 6: Final answer
   x = 29,247.20