Finding the Fourth Proportional to 35,789.72, 49,381.86 and 21,642.26

Step by Step Solution

1. Step 1: Write the proportion equation
   35,789.72 : 49,381.86 = 21,642.26 : x
2. Step 2: Convert to fraction form
   35,789.72/49,381.86 = 21,642.26/x
3. Step 3: Cross multiply
   35,789.72x = 49,381.86 × 21,642.26
4. Step 4: Simplify right side
   35,789.72x = 1,068,735,053.40
5. Step 5: Solve for x
   x = 1,068,735,053.40/35,789.72
6. Step 6: Final answer
   x = 29,861.51