Finding the Fourth Proportional to 371,498.56, 557,241.86 and 146,861.08

Step by Step Solution

1. Step 1: Write the proportion equation
   371,498.56 : 557,241.86 = 146,861.08 : x
2. Step 2: Convert to fraction form
   371,498.56/557,241.86 = 146,861.08/x
3. Step 3: Cross multiply
   371,498.56x = 557,241.86 × 146,861.08
4. Step 4: Simplify right side
   371,498.56x = 81,837,140,354.86
5. Step 5: Solve for x
   x = 81,837,140,354.86/371,498.56
6. Step 6: Final answer
   x = 220,289.25