Finding the Fourth Proportional to 59,076.81, 88,628.40 and 21,636.09

Step by Step Solution

1. Step 1: Write the proportion equation
   59,076.81 : 88,628.40 = 21,636.09 : x
2. Step 2: Convert to fraction form
   59,076.81/88,628.40 = 21,636.09/x
3. Step 3: Cross multiply
   59,076.81x = 88,628.40 × 21,636.09
4. Step 4: Simplify right side
   59,076.81x = 1,917,572,038.96
5. Step 5: Solve for x
   x = 1,917,572,038.96/59,076.81
6. Step 6: Final answer
   x = 32,458.96