Finding the Fourth Proportional to 189,061.31, 283,493.55 and 55,923.62

Step by Step Solution

1. Step 1: Write the proportion equation
   189,061.31 : 283,493.55 = 55,923.62 : x
2. Step 2: Convert to fraction form
   189,061.31/283,493.55 = 55,923.62/x
3. Step 3: Cross multiply
   189,061.31x = 283,493.55 × 55,923.62
4. Step 4: Simplify right side
   189,061.31x = 15,853,985,562.65
5. Step 5: Solve for x
   x = 15,853,985,562.65/189,061.31
6. Step 6: Final answer
   x = 83,856.32