Finding the Fourth Proportional to 155,672.20, 233,401.60 and 55,830.24

Step by Step Solution

1. Step 1: Write the proportion equation
   155,672.20 : 233,401.60 = 55,830.24 : x
2. Step 2: Convert to fraction form
   155,672.20/233,401.60 = 55,830.24/x
3. Step 3: Cross multiply
   155,672.20x = 233,401.60 × 55,830.24
4. Step 4: Simplify right side
   155,672.20x = 13,030,867,344.38
5. Step 5: Solve for x
   x = 13,030,867,344.38/155,672.20
6. Step 6: Final answer
   x = 83,707.09