Finding the Fourth Proportional to 146,423.98, 219,385 and 98,302.45

Step by Step Solution

1. Step 1: Write the proportion equation
   146,423.98 : 219,385 = 98,302.45 : x
2. Step 2: Convert to fraction form
   146,423.98/219,385 = 98,302.45/x
3. Step 3: Cross multiply
   146,423.98x = 219,385 × 98,302.45
4. Step 4: Simplify right side
   146,423.98x = 21,566,082,993.25
5. Step 5: Solve for x
   x = 21,566,082,993.25/146,423.98
6. Step 6: Final answer
   x = 147,285.19