Finding the Fourth Proportional to 219,499.30, 329,241.60 and 93,058.18

Step by Step Solution

1. Step 1: Write the proportion equation
   219,499.30 : 329,241.60 = 93,058.18 : x
2. Step 2: Convert to fraction form
   219,499.30/329,241.60 = 93,058.18/x
3. Step 3: Cross multiply
   219,499.30x = 329,241.60 × 93,058.18
4. Step 4: Simplify right side
   219,499.30x = 30,638,624,076.29
5. Step 5: Solve for x
   x = 30,638,624,076.29/219,499.30
6. Step 6: Final answer
   x = 139,584.15