Finding the Fourth Proportional to 55,824, 77,037.15 and 30,675.12

Step by Step Solution

1. Step 1: Write the proportion equation
   55,824 : 77,037.15 = 30,675.12 : x
2. Step 2: Convert to fraction form
   55,824/77,037.15 = 30,675.12/x
3. Step 3: Cross multiply
   55,824x = 77,037.15 × 30,675.12
4. Step 4: Simplify right side
   55,824x = 2,363,123,820.71
5. Step 5: Solve for x
   x = 2,363,123,820.71/55,824
6. Step 6: Final answer
   x = 42,331.68