Finding the Fourth Proportional to 55,737, 76,917.06 and 30,586.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,737 : 76,917.06 = 30,586.50 : x
2. Step 2: Convert to fraction form
   55,737/76,917.06 = 30,586.50/x
3. Step 3: Cross multiply
   55,737x = 76,917.06 × 30,586.50
4. Step 4: Simplify right side
   55,737x = 2,352,623,655.69
5. Step 5: Solve for x
   x = 2,352,623,655.69/55,737
6. Step 6: Final answer
   x = 42,209.37