Finding the Fourth Proportional to 37,889.13, 52,290.53 and 21,758.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,889.13 : 52,290.53 = 21,758.69 : x
2. Step 2: Convert to fraction form
   37,889.13/52,290.53 = 21,758.69/x
3. Step 3: Cross multiply
   37,889.13x = 52,290.53 × 21,758.69
4. Step 4: Simplify right side
   37,889.13x = 1,137,773,161.16
5. Step 5: Solve for x
   x = 1,137,773,161.16/37,889.13
6. Step 6: Final answer
   x = 30,029.01