Finding the Fourth Proportional to 149,056.22, 205,697.42 and 85,394.27

Step by Step Solution

1. Step 1: Write the proportion equation
   149,056.22 : 205,697.42 = 85,394.27 : x
2. Step 2: Convert to fraction form
   149,056.22/205,697.42 = 85,394.27/x
3. Step 3: Cross multiply
   149,056.22x = 205,697.42 × 85,394.27
4. Step 4: Simplify right side
   149,056.22x = 17,565,379,566.33
5. Step 5: Solve for x
   x = 17,565,379,566.33/149,056.22
6. Step 6: Final answer
   x = 117,843.99