Finding the Fourth Proportional to 105,216, 145,198.08 and 60,504

Step by Step Solution

1. Step 1: Write the proportion equation
   105,216 : 145,198.08 = 60,504 : x
2. Step 2: Convert to fraction form
   105,216/145,198.08 = 60,504/x
3. Step 3: Cross multiply
   105,216x = 145,198.08 × 60,504
4. Step 4: Simplify right side
   105,216x = 8,785,064,632.32
5. Step 5: Solve for x
   x = 8,785,064,632.32/105,216
6. Step 6: Final answer
   x = 83,495.52