Finding the Fourth Proportional to 59,040, 81,475.20 and 33,897.60

Step by Step Solution

1. Step 1: Write the proportion equation
   59,040 : 81,475.20 = 33,897.60 : x
2. Step 2: Convert to fraction form
   59,040/81,475.20 = 33,897.60/x
3. Step 3: Cross multiply
   59,040x = 81,475.20 × 33,897.60
4. Step 4: Simplify right side
   59,040x = 2,761,813,739.52
5. Step 5: Solve for x
   x = 2,761,813,739.52/59,040
6. Step 6: Final answer
   x = 46,778.69