Finding the Fourth Proportional to 22,667.13, 33,772.87 and 21,393.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,667.13 : 33,772.87 = 21,393.86 : x
2. Step 2: Convert to fraction form
   22,667.13/33,772.87 = 21,393.86/x
3. Step 3: Cross multiply
   22,667.13x = 33,772.87 × 21,393.86
4. Step 4: Simplify right side
   22,667.13x = 722,532,052.58
5. Step 5: Solve for x
   x = 722,532,052.58/22,667.13
6. Step 6: Final answer
   x = 31,875.76