Finding the Fourth Proportional to 37,384.72, 51,588.56 and 21,457.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,384.72 : 51,588.56 = 21,457.96 : x
2. Step 2: Convert to fraction form
   37,384.72/51,588.56 = 21,457.96/x
3. Step 3: Cross multiply
   37,384.72x = 51,588.56 × 21,457.96
4. Step 4: Simplify right side
   37,384.72x = 1,106,985,256.94
5. Step 5: Solve for x
   x = 1,106,985,256.94/37,384.72
6. Step 6: Final answer
   x = 29,610.63