Finding the Fourth Proportional to 404,780.50, 607,199.92 and 155,462.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,780.50 : 607,199.92 = 155,462.50 : x
2. Step 2: Convert to fraction form
   404,780.50/607,199.92 = 155,462.50/x
3. Step 3: Cross multiply
   404,780.50x = 607,199.92 × 155,462.50
4. Step 4: Simplify right side
   404,780.50x = 94,396,817,563
5. Step 5: Solve for x
   x = 94,396,817,563/404,780.50
6. Step 6: Final answer
   x = 233,204.95