Finding the Fourth Proportional to 223,978.04, 335,962.96 and 55,498.74

Step by Step Solution

1. Step 1: Write the proportion equation
   223,978.04 : 335,962.96 = 55,498.74 : x
2. Step 2: Convert to fraction form
   223,978.04/335,962.96 = 55,498.74/x
3. Step 3: Cross multiply
   223,978.04x = 335,962.96 × 55,498.74
4. Step 4: Simplify right side
   223,978.04x = 18,645,520,966.67
5. Step 5: Solve for x
   x = 18,645,520,966.67/223,978.04
6. Step 6: Final answer
   x = 83,247.09