Finding the Fourth Proportional to 60,091.28, 90,224.52 and 42,653.60

Step by Step Solution

1. Step 1: Write the proportion equation
   60,091.28 : 90,224.52 = 42,653.60 : x
2. Step 2: Convert to fraction form
   60,091.28/90,224.52 = 42,653.60/x
3. Step 3: Cross multiply
   60,091.28x = 90,224.52 × 42,653.60
4. Step 4: Simplify right side
   60,091.28x = 3,848,400,586.27
5. Step 5: Solve for x
   x = 3,848,400,586.27/60,091.28
6. Step 6: Final answer
   x = 64,042.58