Finding the Fourth Proportional to 37,429.89, 51,653.36 and 20,434.16

Step by Step Solution

1. Step 1: Write the proportion equation
   37,429.89 : 51,653.36 = 20,434.16 : x
2. Step 2: Convert to fraction form
   37,429.89/51,653.36 = 20,434.16/x
3. Step 3: Cross multiply
   37,429.89x = 51,653.36 × 20,434.16
4. Step 4: Simplify right side
   37,429.89x = 1,055,492,662.34
5. Step 5: Solve for x
   x = 1,055,492,662.34/37,429.89
6. Step 6: Final answer
   x = 28,199.19