Finding the Fourth Proportional to 37,287.48, 51,445.12 and 21,152.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,287.48 : 51,445.12 = 21,152.12 : x
2. Step 2: Convert to fraction form
   37,287.48/51,445.12 = 21,152.12/x
3. Step 3: Cross multiply
   37,287.48x = 51,445.12 × 21,152.12
4. Step 4: Simplify right side
   37,287.48x = 1,088,173,245.89
5. Step 5: Solve for x
   x = 1,088,173,245.89/37,287.48
6. Step 6: Final answer
   x = 29,183.34