Finding the Fourth Proportional to 404,779.50, 607,198.42 and 155,461.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,779.50 : 607,198.42 = 155,461.50 : x
2. Step 2: Convert to fraction form
   404,779.50/607,198.42 = 155,461.50/x
3. Step 3: Cross multiply
   404,779.50x = 607,198.42 × 155,461.50
4. Step 4: Simplify right side
   404,779.50x = 94,395,977,170.83
5. Step 5: Solve for x
   x = 94,395,977,170.83/404,779.50
6. Step 6: Final answer
   x = 233,203.45