Finding the Fourth Proportional to 37,719.74, 52,047.46 and 21,801.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,719.74 : 52,047.46 = 21,801.12 : x
2. Step 2: Convert to fraction form
   37,719.74/52,047.46 = 21,801.12/x
3. Step 3: Cross multiply
   37,719.74x = 52,047.46 × 21,801.12
4. Step 4: Simplify right side
   37,719.74x = 1,134,692,921.16
5. Step 5: Solve for x
   x = 1,134,692,921.16/37,719.74
6. Step 6: Final answer
   x = 30,082.20