Finding the Fourth Proportional to 37,426.94, 51,659.60 and 21,516.51

Step by Step Solution

1. Step 1: Write the proportion equation
   37,426.94 : 51,659.60 = 21,516.51 : x
2. Step 2: Convert to fraction form
   37,426.94/51,659.60 = 21,516.51/x
3. Step 3: Cross multiply
   37,426.94x = 51,659.60 × 21,516.51
4. Step 4: Simplify right side
   37,426.94x = 1,111,534,192.41
5. Step 5: Solve for x
   x = 1,111,534,192.41/37,426.94
6. Step 6: Final answer
   x = 29,698.78