Finding the Fourth Proportional to 105,270, 145,277.04 and 60,558

Step by Step Solution

1. Step 1: Write the proportion equation
   105,270 : 145,277.04 = 60,558 : x
2. Step 2: Convert to fraction form
   105,270/145,277.04 = 60,558/x
3. Step 3: Cross multiply
   105,270x = 145,277.04 × 60,558
4. Step 4: Simplify right side
   105,270x = 8,797,686,988.32
5. Step 5: Solve for x
   x = 8,797,686,988.32/105,270
6. Step 6: Final answer
   x = 83,572.59