Finding the Fourth Proportional to 155,890.69, 233,836.53 and 43,570.17

Step by Step Solution

1. Step 1: Write the proportion equation
   155,890.69 : 233,836.53 = 43,570.17 : x
2. Step 2: Convert to fraction form
   155,890.69/233,836.53 = 43,570.17/x
3. Step 3: Cross multiply
   155,890.69x = 233,836.53 × 43,570.17
4. Step 4: Simplify right side
   155,890.69x = 10,188,297,364.31
5. Step 5: Solve for x
   x = 10,188,297,364.31/155,890.69
6. Step 6: Final answer
   x = 65,355.39