Finding the Fourth Proportional to 37,434.30, 51,669.27 and 21,520.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,434.30 : 51,669.27 = 21,520.50 : x
2. Step 2: Convert to fraction form
   37,434.30/51,669.27 = 21,520.50/x
3. Step 3: Cross multiply
   37,434.30x = 51,669.27 × 21,520.50
4. Step 4: Simplify right side
   37,434.30x = 1,111,948,525.04
5. Step 5: Solve for x
   x = 1,111,948,525.04/37,434.30
6. Step 6: Final answer
   x = 29,704.00