Finding the Fourth Proportional to 106,965.72, 147,613.86 and 59,219.88

Step by Step Solution

1. Step 1: Write the proportion equation
   106,965.72 : 147,613.86 = 59,219.88 : x
2. Step 2: Convert to fraction form
   106,965.72/147,613.86 = 59,219.88/x
3. Step 3: Cross multiply
   106,965.72x = 147,613.86 × 59,219.88
4. Step 4: Simplify right side
   106,965.72x = 8,741,675,075.54
5. Step 5: Solve for x
   x = 8,741,675,075.54/106,965.72
6. Step 6: Final answer
   x = 81,724.08