Finding the Fourth Proportional to 56,473.69, 84,693.25 and 19,023.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,473.69 : 84,693.25 = 19,023.72 : x
2. Step 2: Convert to fraction form
   56,473.69/84,693.25 = 19,023.72/x
3. Step 3: Cross multiply
   56,473.69x = 84,693.25 × 19,023.72
4. Step 4: Simplify right side
   56,473.69x = 1,611,180,673.89
5. Step 5: Solve for x
   x = 1,611,180,673.89/56,473.69
6. Step 6: Final answer
   x = 28,529.76