Finding the Fourth Proportional to 400,152.83, 552,168.77 and 238,985.51

Step by Step Solution

1. Step 1: Write the proportion equation
   400,152.83 : 552,168.77 = 238,985.51 : x
2. Step 2: Convert to fraction form
   400,152.83/552,168.77 = 238,985.51/x
3. Step 3: Cross multiply
   400,152.83x = 552,168.77 × 238,985.51
4. Step 4: Simplify right side
   400,152.83x = 131,960,335,104.52
5. Step 5: Solve for x
   x = 131,960,335,104.52/400,152.83
6. Step 6: Final answer
   x = 329,774.84