Finding the Fourth Proportional to 56,300.01, 77,692.81 and 30,806.28

Step by Step Solution

1. Step 1: Write the proportion equation
   56,300.01 : 77,692.81 = 30,806.28 : x
2. Step 2: Convert to fraction form
   56,300.01/77,692.81 = 30,806.28/x
3. Step 3: Cross multiply
   56,300.01x = 77,692.81 × 30,806.28
4. Step 4: Simplify right side
   56,300.01x = 2,393,426,458.85
5. Step 5: Solve for x
   x = 2,393,426,458.85/56,300.01
6. Step 6: Final answer
   x = 42,512.01