Finding the Fourth Proportional to 404,610.68, 606,616.50 and 194,048.12

Step by Step Solution

1. Step 1: Write the proportion equation
   404,610.68 : 606,616.50 = 194,048.12 : x
2. Step 2: Convert to fraction form
   404,610.68/606,616.50 = 194,048.12/x
3. Step 3: Cross multiply
   404,610.68x = 606,616.50 × 194,048.12
4. Step 4: Simplify right side
   404,610.68x = 117,712,791,385.98
5. Step 5: Solve for x
   x = 117,712,791,385.98/404,610.68
6. Step 6: Final answer
   x = 290,928.53