Finding the Fourth Proportional to 56,029.82, 77,321.16 and 30,536.18

Step by Step Solution

1. Step 1: Write the proportion equation
   56,029.82 : 77,321.16 = 30,536.18 : x
2. Step 2: Convert to fraction form
   56,029.82/77,321.16 = 30,536.18/x
3. Step 3: Cross multiply
   56,029.82x = 77,321.16 × 30,536.18
4. Step 4: Simplify right side
   56,029.82x = 2,361,092,859.57
5. Step 5: Solve for x
   x = 2,361,092,859.57/56,029.82
6. Step 6: Final answer
   x = 42,139.93