Finding the Fourth Proportional to 36,978.85, 51,032.87 and 21,068.29

Step by Step Solution

1. Step 1: Write the proportion equation
   36,978.85 : 51,032.87 = 21,068.29 : x
2. Step 2: Convert to fraction form
   36,978.85/51,032.87 = 21,068.29/x
3. Step 3: Cross multiply
   36,978.85x = 51,032.87 × 21,068.29
4. Step 4: Simplify right side
   36,978.85x = 1,075,175,304.69
5. Step 5: Solve for x
   x = 1,075,175,304.69/36,978.85
6. Step 6: Final answer
   x = 29,075.41