Finding the Fourth Proportional to 59,462.82, 89,129.34 and 21,990.96

Step by Step Solution

1. Step 1: Write the proportion equation
   59,462.82 : 89,129.34 = 21,990.96 : x
2. Step 2: Convert to fraction form
   59,462.82/89,129.34 = 21,990.96/x
3. Step 3: Cross multiply
   59,462.82x = 89,129.34 × 21,990.96
4. Step 4: Simplify right side
   59,462.82x = 1,960,039,750.77
5. Step 5: Solve for x
   x = 1,960,039,750.77/59,462.82
6. Step 6: Final answer
   x = 32,962.44