Finding the Fourth Proportional to 37,457.69, 51,693.18 and 21,542.15

Step by Step Solution

1. Step 1: Write the proportion equation
   37,457.69 : 51,693.18 = 21,542.15 : x
2. Step 2: Convert to fraction form
   37,457.69/51,693.18 = 21,542.15/x
3. Step 3: Cross multiply
   37,457.69x = 51,693.18 × 21,542.15
4. Step 4: Simplify right side
   37,457.69x = 1,113,582,310.24
5. Step 5: Solve for x
   x = 1,113,582,310.24/37,457.69
6. Step 6: Final answer
   x = 29,729.07