Finding the Fourth Proportional to 42,591.58, 63,926.93 and 21,546.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,591.58 : 63,926.93 = 21,546.50 : x
2. Step 2: Convert to fraction form
   42,591.58/63,926.93 = 21,546.50/x
3. Step 3: Cross multiply
   42,591.58x = 63,926.93 × 21,546.50
4. Step 4: Simplify right side
   42,591.58x = 1,377,401,331.48
5. Step 5: Solve for x
   x = 1,377,401,331.48/42,591.58
6. Step 6: Final answer
   x = 32,339.76