Finding the Fourth Proportional to 368,867.05, 552,443.04 and 356,081.56

Step by Step Solution

1. Step 1: Write the proportion equation
   368,867.05 : 552,443.04 = 356,081.56 : x
2. Step 2: Convert to fraction form
   368,867.05/552,443.04 = 356,081.56/x
3. Step 3: Cross multiply
   368,867.05x = 552,443.04 × 356,081.56
4. Step 4: Simplify right side
   368,867.05x = 196,714,779,494.34
5. Step 5: Solve for x
   x = 196,714,779,494.34/368,867.05
6. Step 6: Final answer
   x = 533,294.53