Finding the Fourth Proportional to 85,111.02, 117,435.39 and 49,298.91

Step by Step Solution

1. Step 1: Write the proportion equation
   85,111.02 : 117,435.39 = 49,298.91 : x
2. Step 2: Convert to fraction form
   85,111.02/117,435.39 = 49,298.91/x
3. Step 3: Cross multiply
   85,111.02x = 117,435.39 × 49,298.91
4. Step 4: Simplify right side
   85,111.02x = 5,789,436,722.42
5. Step 5: Solve for x
   x = 5,789,436,722.42/85,111.02
6. Step 6: Final answer
   x = 68,022.18