Finding the Fourth Proportional to 56,003.30, 77,284.53 and 30,852.80

Step by Step Solution

1. Step 1: Write the proportion equation
   56,003.30 : 77,284.53 = 30,852.80 : x
2. Step 2: Convert to fraction form
   56,003.30/77,284.53 = 30,852.80/x
3. Step 3: Cross multiply
   56,003.30x = 77,284.53 × 30,852.80
4. Step 4: Simplify right side
   56,003.30x = 2,384,443,760.76
5. Step 5: Solve for x
   x = 2,384,443,760.76/56,003.30
6. Step 6: Final answer
   x = 42,576.85