Finding the Fourth Proportional to 106,962.72, 147,609.72 and 59,216.87

Step by Step Solution

1. Step 1: Write the proportion equation
   106,962.72 : 147,609.72 = 59,216.87 : x
2. Step 2: Convert to fraction form
   106,962.72/147,609.72 = 59,216.87/x
3. Step 3: Cross multiply
   106,962.72x = 147,609.72 × 59,216.87
4. Step 4: Simplify right side
   106,962.72x = 8,740,984,861.93
5. Step 5: Solve for x
   x = 8,740,984,861.93/106,962.72
6. Step 6: Final answer
   x = 81,719.92