Finding the Fourth Proportional to 59,920.86, 83,040.28 and 59,075.22

Step by Step Solution

1. Step 1: Write the proportion equation
   59,920.86 : 83,040.28 = 59,075.22 : x
2. Step 2: Convert to fraction form
   59,920.86/83,040.28 = 59,075.22/x
3. Step 3: Cross multiply
   59,920.86x = 83,040.28 × 59,075.22
4. Step 4: Simplify right side
   59,920.86x = 4,905,622,809.86
5. Step 5: Solve for x
   x = 4,905,622,809.86/59,920.86
6. Step 6: Final answer
   x = 81,868.36