Finding the Fourth Proportional to 56,011.50, 77,297.49 and 30,862.62

Step by Step Solution

1. Step 1: Write the proportion equation
   56,011.50 : 77,297.49 = 30,862.62 : x
2. Step 2: Convert to fraction form
   56,011.50/77,297.49 = 30,862.62/x
3. Step 3: Cross multiply
   56,011.50x = 77,297.49 × 30,862.62
4. Step 4: Simplify right side
   56,011.50x = 2,385,603,060.82
5. Step 5: Solve for x
   x = 2,385,603,060.82/56,011.50
6. Step 6: Final answer
   x = 42,591.31