Finding the Fourth Proportional to 59,412.51, 89,128.62 and 21,972.69

Step by Step Solution

1. Step 1: Write the proportion equation
   59,412.51 : 89,128.62 = 21,972.69 : x
2. Step 2: Convert to fraction form
   59,412.51/89,128.62 = 21,972.69/x
3. Step 3: Cross multiply
   59,412.51x = 89,128.62 × 21,972.69
4. Step 4: Simplify right side
   59,412.51x = 1,958,395,537.39
5. Step 5: Solve for x
   x = 1,958,395,537.39/59,412.51
6. Step 6: Final answer
   x = 32,962.68