Finding the Fourth Proportional to 283,932.01, 391,830.86 and 154,870.52

Step by Step Solution

1. Step 1: Write the proportion equation
   283,932.01 : 391,830.86 = 154,870.52 : x
2. Step 2: Convert to fraction form
   283,932.01/391,830.86 = 154,870.52/x
3. Step 3: Cross multiply
   283,932.01x = 391,830.86 × 154,870.52
4. Step 4: Simplify right side
   283,932.01x = 60,683,048,265.89
5. Step 5: Solve for x
   x = 60,683,048,265.89/283,932.01
6. Step 6: Final answer
   x = 213,723.87