Finding the Fourth Proportional to 59,486.72, 89,245.08 and 41,990.72

Step by Step Solution

1. Step 1: Write the proportion equation
   59,486.72 : 89,245.08 = 41,990.72 : x
2. Step 2: Convert to fraction form
   59,486.72/89,245.08 = 41,990.72/x
3. Step 3: Cross multiply
   59,486.72x = 89,245.08 × 41,990.72
4. Step 4: Simplify right side
   59,486.72x = 3,747,465,165.66
5. Step 5: Solve for x
   x = 3,747,465,165.66/59,486.72
6. Step 6: Final answer
   x = 62,996.67