Finding the Fourth Proportional to 45,228.72, 62,701.52 and 42,829.19

Step by Step Solution

1. Step 1: Write the proportion equation
   45,228.72 : 62,701.52 = 42,829.19 : x
2. Step 2: Convert to fraction form
   45,228.72/62,701.52 = 42,829.19/x
3. Step 3: Cross multiply
   45,228.72x = 62,701.52 × 42,829.19
4. Step 4: Simplify right side
   45,228.72x = 2,685,454,785.72
5. Step 5: Solve for x
   x = 2,685,454,785.72/45,228.72
6. Step 6: Final answer
   x = 59,374.99