Finding the Fourth Proportional to 36,987.38, 51,039.82 and 21,068.72

Step by Step Solution

1. Step 1: Write the proportion equation
   36,987.38 : 51,039.82 = 21,068.72 : x
2. Step 2: Convert to fraction form
   36,987.38/51,039.82 = 21,068.72/x
3. Step 3: Cross multiply
   36,987.38x = 51,039.82 × 21,068.72
4. Step 4: Simplify right side
   36,987.38x = 1,075,343,676.43
5. Step 5: Solve for x
   x = 1,075,343,676.43/36,987.38
6. Step 6: Final answer
   x = 29,073.26