Finding the Fourth Proportional to 85,111.50, 117,453.96 and 49,303.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85,111.50 : 117,453.96 = 49,303.56 : x
2. Step 2: Convert to fraction form
   85,111.50/117,453.96 = 49,303.56/x
3. Step 3: Cross multiply
   85,111.50x = 117,453.96 × 49,303.56
4. Step 4: Simplify right side
   85,111.50x = 5,790,898,364.10
5. Step 5: Solve for x
   x = 5,790,898,364.10/85,111.50
6. Step 6: Final answer
   x = 68,038.96