Finding the Fourth Proportional to 111,697.83, 154,143.01 and 61,396.83

Step by Step Solution

1. Step 1: Write the proportion equation
   111,697.83 : 154,143.01 = 61,396.83 : x
2. Step 2: Convert to fraction form
   111,697.83/154,143.01 = 61,396.83/x
3. Step 3: Cross multiply
   111,697.83x = 154,143.01 × 61,396.83
4. Step 4: Simplify right side
   111,697.83x = 9,463,892,027.17
5. Step 5: Solve for x
   x = 9,463,892,027.17/111,697.83
6. Step 6: Final answer
   x = 84,727.63