Finding the Fourth Proportional to 80,940.01, 111,845.74 and 77,051.10

Step by Step Solution

1. Step 1: Write the proportion equation
   80,940.01 : 111,845.74 = 77,051.10 : x
2. Step 2: Convert to fraction form
   80,940.01/111,845.74 = 77,051.10/x
3. Step 3: Cross multiply
   80,940.01x = 111,845.74 × 77,051.10
4. Step 4: Simplify right side
   80,940.01x = 8,617,837,297.31
5. Step 5: Solve for x
   x = 8,617,837,297.31/80,940.01
6. Step 6: Final answer
   x = 106,471.91