Finding the Fourth Proportional to 59,990.31, 82,775.79 and 34,490.70

Step by Step Solution

1. Step 1: Write the proportion equation
   59,990.31 : 82,775.79 = 34,490.70 : x
2. Step 2: Convert to fraction form
   59,990.31/82,775.79 = 34,490.70/x
3. Step 3: Cross multiply
   59,990.31x = 82,775.79 × 34,490.70
4. Step 4: Simplify right side
   59,990.31x = 2,854,994,940.15
5. Step 5: Solve for x
   x = 2,854,994,940.15/59,990.31
6. Step 6: Final answer
   x = 47,590.93