Finding the Fourth Proportional to 93,022.28, 139,555.20 and 30,692.72

Step by Step Solution

1. Step 1: Write the proportion equation
   93,022.28 : 139,555.20 = 30,692.72 : x
2. Step 2: Convert to fraction form
   93,022.28/139,555.20 = 30,692.72/x
3. Step 3: Cross multiply
   93,022.28x = 139,555.20 × 30,692.72
4. Step 4: Simplify right side
   93,022.28x = 4,283,328,678.14
5. Step 5: Solve for x
   x = 4,283,328,678.14/93,022.28
6. Step 6: Final answer
   x = 46,046.27