Finding the Fourth Proportional to 404,386.07, 606,656.86 and 155,048.63

Step by Step Solution

1. Step 1: Write the proportion equation
   404,386.07 : 606,656.86 = 155,048.63 : x
2. Step 2: Convert to fraction form
   404,386.07/606,656.86 = 155,048.63/x
3. Step 3: Cross multiply
   404,386.07x = 606,656.86 × 155,048.63
4. Step 4: Simplify right side
   404,386.07x = 94,061,311,602.20
5. Step 5: Solve for x
   x = 94,061,311,602.20/404,386.07
6. Step 6: Final answer
   x = 232,602.75