Finding the Fourth Proportional to 85,553.61, 118,061.93 and 49,756.07

Step by Step Solution

1. Step 1: Write the proportion equation
   85,553.61 : 118,061.93 = 49,756.07 : x
2. Step 2: Convert to fraction form
   85,553.61/118,061.93 = 49,756.07/x
3. Step 3: Cross multiply
   85,553.61x = 118,061.93 × 49,756.07
4. Step 4: Simplify right side
   85,553.61x = 5,874,297,187.50
5. Step 5: Solve for x
   x = 5,874,297,187.50/85,553.61
6. Step 6: Final answer
   x = 68,662.18