Finding the Fourth Proportional to 56,487.30, 84,828.15 and 30,243.30

Step by Step Solution

1. Step 1: Write the proportion equation
   56,487.30 : 84,828.15 = 30,243.30 : x
2. Step 2: Convert to fraction form
   56,487.30/84,828.15 = 30,243.30/x
3. Step 3: Cross multiply
   56,487.30x = 84,828.15 × 30,243.30
4. Step 4: Simplify right side
   56,487.30x = 2,565,483,188.90
5. Step 5: Solve for x
   x = 2,565,483,188.90/56,487.30
6. Step 6: Final answer
   x = 45,416.99