Finding the Fourth Proportional to 1,107,196.32, 1,661,028.24 and 359,184.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,107,196.32 : 1,661,028.24 = 359,184.48 : x
2. Step 2: Convert to fraction form
   1,107,196.32/1,661,028.24 = 359,184.48/x
3. Step 3: Cross multiply
   1,107,196.32x = 1,661,028.24 × 359,184.48
4. Step 4: Simplify right side
   1,107,196.32x = 596,615,564,649.72
5. Step 5: Solve for x
   x = 596,615,564,649.72/1,107,196.32
6. Step 6: Final answer
   x = 538,852.55