Finding the Fourth Proportional to 36,978.91, 51,023.81 and 21,063.02

Step by Step Solution

1. Step 1: Write the proportion equation
   36,978.91 : 51,023.81 = 21,063.02 : x
2. Step 2: Convert to fraction form
   36,978.91/51,023.81 = 21,063.02/x
3. Step 3: Cross multiply
   36,978.91x = 51,023.81 × 21,063.02
4. Step 4: Simplify right side
   36,978.91x = 1,074,715,530.51
5. Step 5: Solve for x
   x = 1,074,715,530.51/36,978.91
6. Step 6: Final answer
   x = 29,062.93