Finding the Fourth Proportional to 404,589.32, 607,058.94 and 155,213

Step by Step Solution

1. Step 1: Write the proportion equation
   404,589.32 : 607,058.94 = 155,213 : x
2. Step 2: Convert to fraction form
   404,589.32/607,058.94 = 155,213/x
3. Step 3: Cross multiply
   404,589.32x = 607,058.94 × 155,213
4. Step 4: Simplify right side
   404,589.32x = 94,223,439,254.22
5. Step 5: Solve for x
   x = 94,223,439,254.22/404,589.32
6. Step 6: Final answer
   x = 232,886.62