Finding the Fourth Proportional to 37,069.76, 51,160.56 and 21,156.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,069.76 : 51,160.56 = 21,156.50 : x
2. Step 2: Convert to fraction form
   37,069.76/51,160.56 = 21,156.50/x
3. Step 3: Cross multiply
   37,069.76x = 51,160.56 × 21,156.50
4. Step 4: Simplify right side
   37,069.76x = 1,082,378,387.64
5. Step 5: Solve for x
   x = 1,082,378,387.64/37,069.76
6. Step 6: Final answer
   x = 29,198.42