Finding the Fourth Proportional to 59,945.27, 83,074.28 and 59,099.63

Step by Step Solution

1. Step 1: Write the proportion equation
   59,945.27 : 83,074.28 = 59,099.63 : x
2. Step 2: Convert to fraction form
   59,945.27/83,074.28 = 59,099.63/x
3. Step 3: Cross multiply
   59,945.27x = 83,074.28 × 59,099.63
4. Step 4: Simplify right side
   59,945.27x = 4,909,658,499.65
5. Step 5: Solve for x
   x = 4,909,658,499.65/59,945.27
6. Step 6: Final answer
   x = 81,902.36