Finding the Fourth Proportional to 60,605.25, 83,454.74 and 59,261.05

Step by Step Solution

1. Step 1: Write the proportion equation
   60,605.25 : 83,454.74 = 59,261.05 : x
2. Step 2: Convert to fraction form
   60,605.25/83,454.74 = 59,261.05/x
3. Step 3: Cross multiply
   60,605.25x = 83,454.74 × 59,261.05
4. Step 4: Simplify right side
   60,605.25x = 4,945,615,550.12
5. Step 5: Solve for x
   x = 4,945,615,550.12/60,605.25
6. Step 6: Final answer
   x = 81,603.75