Finding the Fourth Proportional to 56,014.32, 77,297.49 and 30,520.26

Step by Step Solution

1. Step 1: Write the proportion equation
   56,014.32 : 77,297.49 = 30,520.26 : x
2. Step 2: Convert to fraction form
   56,014.32/77,297.49 = 30,520.26/x
3. Step 3: Cross multiply
   56,014.32x = 77,297.49 × 30,520.26
4. Step 4: Simplify right side
   56,014.32x = 2,359,139,492.15
5. Step 5: Solve for x
   x = 2,359,139,492.15/56,014.32
6. Step 6: Final answer
   x = 42,116.72