Finding the Fourth Proportional to 37,077.24, 51,165.72 and 21,160.20

Step by Step Solution

1. Step 1: Write the proportion equation
   37,077.24 : 51,165.72 = 21,160.20 : x
2. Step 2: Convert to fraction form
   37,077.24/51,165.72 = 21,160.20/x
3. Step 3: Cross multiply
   37,077.24x = 51,165.72 × 21,160.20
4. Step 4: Simplify right side
   37,077.24x = 1,082,676,868.34
5. Step 5: Solve for x
   x = 1,082,676,868.34/37,077.24
6. Step 6: Final answer
   x = 29,200.58