Finding the Fourth Proportional to 37,300.98, 51,469.88 and 21,165.78

Step by Step Solution

1. Step 1: Write the proportion equation
   37,300.98 : 51,469.88 = 21,165.78 : x
2. Step 2: Convert to fraction form
   37,300.98/51,469.88 = 21,165.78/x
3. Step 3: Cross multiply
   37,300.98x = 51,469.88 × 21,165.78
4. Step 4: Simplify right side
   37,300.98x = 1,089,400,156.71
5. Step 5: Solve for x
   x = 1,089,400,156.71/37,300.98
6. Step 6: Final answer
   x = 29,205.67