Finding the Fourth Proportional to 155,439.42, 233,200.17 and 55,609.62

Step by Step Solution

1. Step 1: Write the proportion equation
   155,439.42 : 233,200.17 = 55,609.62 : x
2. Step 2: Convert to fraction form
   155,439.42/233,200.17 = 55,609.62/x
3. Step 3: Cross multiply
   155,439.42x = 233,200.17 × 55,609.62
4. Step 4: Simplify right side
   155,439.42x = 12,968,172,837.64
5. Step 5: Solve for x
   x = 12,968,172,837.64/155,439.42
6. Step 6: Final answer
   x = 83,429.11