Finding the Fourth Proportional to 58,726.50, 88,102.71 and 21,790.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,726.50 : 88,102.71 = 21,790.50 : x
2. Step 2: Convert to fraction form
   58,726.50/88,102.71 = 21,790.50/x
3. Step 3: Cross multiply
   58,726.50x = 88,102.71 × 21,790.50
4. Step 4: Simplify right side
   58,726.50x = 1,919,802,102.26
5. Step 5: Solve for x
   x = 1,919,802,102.26/58,726.50
6. Step 6: Final answer
   x = 32,690.56