Finding the Fourth Proportional to 404,298.28, 606,476.58 and 123,779.08

Step by Step Solution

1. Step 1: Write the proportion equation
   404,298.28 : 606,476.58 = 123,779.08 : x
2. Step 2: Convert to fraction form
   404,298.28/606,476.58 = 123,779.08/x
3. Step 3: Cross multiply
   404,298.28x = 606,476.58 × 123,779.08
4. Step 4: Simplify right side
   404,298.28x = 75,069,113,113.95
5. Step 5: Solve for x
   x = 75,069,113,113.95/404,298.28
6. Step 6: Final answer
   x = 185,677.55