Finding the Fourth Proportional to 75,100.91, 112,692.89 and 30,758.78

Step by Step Solution

1. Step 1: Write the proportion equation
   75,100.91 : 112,692.89 = 30,758.78 : x
2. Step 2: Convert to fraction form
   75,100.91/112,692.89 = 30,758.78/x
3. Step 3: Cross multiply
   75,100.91x = 112,692.89 × 30,758.78
4. Step 4: Simplify right side
   75,100.91x = 3,466,295,939.01
5. Step 5: Solve for x
   x = 3,466,295,939.01/75,100.91
6. Step 6: Final answer
   x = 46,155.18