Finding the Fourth Proportional to 37,401.39, 51,618.48 and 21,485.80

Step by Step Solution

1. Step 1: Write the proportion equation
   37,401.39 : 51,618.48 = 21,485.80 : x
2. Step 2: Convert to fraction form
   37,401.39/51,618.48 = 21,485.80/x
3. Step 3: Cross multiply
   37,401.39x = 51,618.48 × 21,485.80
4. Step 4: Simplify right side
   37,401.39x = 1,109,064,337.58
5. Step 5: Solve for x
   x = 1,109,064,337.58/37,401.39
6. Step 6: Final answer
   x = 29,653.02