Finding the Fourth Proportional to 106,244, 146,616.72 and 59,140

Step by Step Solution

1. Step 1: Write the proportion equation
   106,244 : 146,616.72 = 59,140 : x
2. Step 2: Convert to fraction form
   106,244/146,616.72 = 59,140/x
3. Step 3: Cross multiply
   106,244x = 146,616.72 × 59,140
4. Step 4: Simplify right side
   106,244x = 8,670,912,820.80
5. Step 5: Solve for x
   x = 8,670,912,820.80/106,244
6. Step 6: Final answer
   x = 81,613.20