Finding the Fourth Proportional to 62,259.24, 85,907.28 and 59,106.72

Step by Step Solution

1. Step 1: Write the proportion equation
   62,259.24 : 85,907.28 = 59,106.72 : x
2. Step 2: Convert to fraction form
   62,259.24/85,907.28 = 59,106.72/x
3. Step 3: Cross multiply
   62,259.24x = 85,907.28 × 59,106.72
4. Step 4: Simplify right side
   62,259.24x = 5,077,697,544.92
5. Step 5: Solve for x
   x = 5,077,697,544.92/62,259.24
6. Step 6: Final answer
   x = 81,557.33