Finding the Fourth Proportional to 60,486.50, 83,471.38 and 33,990.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,486.50 : 83,471.38 = 33,990.50 : x
2. Step 2: Convert to fraction form
   60,486.50/83,471.38 = 33,990.50/x
3. Step 3: Cross multiply
   60,486.50x = 83,471.38 × 33,990.50
4. Step 4: Simplify right side
   60,486.50x = 2,837,233,941.89
5. Step 5: Solve for x
   x = 2,837,233,941.89/60,486.50
6. Step 6: Final answer
   x = 46,906.90