Finding the Fourth Proportional to 149,499.42, 206,327.82 and 85,835.85

Step by Step Solution

1. Step 1: Write the proportion equation
   149,499.42 : 206,327.82 = 85,835.85 : x
2. Step 2: Convert to fraction form
   149,499.42/206,327.82 = 85,835.85/x
3. Step 3: Cross multiply
   149,499.42x = 206,327.82 × 85,835.85
4. Step 4: Simplify right side
   149,499.42x = 17,710,323,808.35
5. Step 5: Solve for x
   x = 17,710,323,808.35/149,499.42
6. Step 6: Final answer
   x = 118,464.16