Finding the Fourth Proportional to 37,477.48, 51,729.98 and 21,573.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,477.48 : 51,729.98 = 21,573.12 : x
2. Step 2: Convert to fraction form
   37,477.48/51,729.98 = 21,573.12/x
3. Step 3: Cross multiply
   37,477.48x = 51,729.98 × 21,573.12
4. Step 4: Simplify right side
   37,477.48x = 1,115,977,066.14
5. Step 5: Solve for x
   x = 1,115,977,066.14/37,477.48
6. Step 6: Final answer
   x = 29,777.27