Finding the Fourth Proportional to 219,861.86, 329,766.86 and 98,297.06

Step by Step Solution

1. Step 1: Write the proportion equation
   219,861.86 : 329,766.86 = 98,297.06 : x
2. Step 2: Convert to fraction form
   219,861.86/329,766.86 = 98,297.06/x
3. Step 3: Cross multiply
   219,861.86x = 329,766.86 × 98,297.06
4. Step 4: Simplify right side
   219,861.86x = 32,415,111,420.34
5. Step 5: Solve for x
   x = 32,415,111,420.34/219,861.86
6. Step 6: Final answer
   x = 147,433.99