Finding the Fourth Proportional to 155,478.89, 233,267.65 and 55,636.88

Step by Step Solution

1. Step 1: Write the proportion equation
   155,478.89 : 233,267.65 = 55,636.88 : x
2. Step 2: Convert to fraction form
   155,478.89/233,267.65 = 55,636.88/x
3. Step 3: Cross multiply
   155,478.89x = 233,267.65 × 55,636.88
4. Step 4: Simplify right side
   155,478.89x = 12,978,282,945.50
5. Step 5: Solve for x
   x = 12,978,282,945.50/155,478.89
6. Step 6: Final answer
   x = 83,472.96