Finding the Fourth Proportional to 60,436.01, 90,210.37 and 55,982.72

Step by Step Solution

1. Step 1: Write the proportion equation
   60,436.01 : 90,210.37 = 55,982.72 : x
2. Step 2: Convert to fraction form
   60,436.01/90,210.37 = 55,982.72/x
3. Step 3: Cross multiply
   60,436.01x = 90,210.37 × 55,982.72
4. Step 4: Simplify right side
   60,436.01x = 5,050,221,884.81
5. Step 5: Solve for x
   x = 5,050,221,884.81/60,436.01
6. Step 6: Final answer
   x = 83,563.13