Finding the Fourth Proportional to 66,083.49, 91,195.89 and 35,869.05

Step by Step Solution

1. Step 1: Write the proportion equation
   66,083.49 : 91,195.89 = 35,869.05 : x
2. Step 2: Convert to fraction form
   66,083.49/91,195.89 = 35,869.05/x
3. Step 3: Cross multiply
   66,083.49x = 91,195.89 × 35,869.05
4. Step 4: Simplify right side
   66,083.49x = 3,271,109,938.20
5. Step 5: Solve for x
   x = 3,271,109,938.20/66,083.49
6. Step 6: Final answer
   x = 49,499.65