Finding the Fourth Proportional to 85,622.13, 118,109.75 and 49,807.98

Step by Step Solution

1. Step 1: Write the proportion equation
   85,622.13 : 118,109.75 = 49,807.98 : x
2. Step 2: Convert to fraction form
   85,622.13/118,109.75 = 49,807.98/x
3. Step 3: Cross multiply
   85,622.13x = 118,109.75 × 49,807.98
4. Step 4: Simplify right side
   85,622.13x = 5,882,807,816.77
5. Step 5: Solve for x
   x = 5,882,807,816.77/85,622.13
6. Step 6: Final answer
   x = 68,706.63