Finding the Fourth Proportional to 55,908, 77,153.76 and 30,758.04

Step by Step Solution

1. Step 1: Write the proportion equation
   55,908 : 77,153.76 = 30,758.04 : x
2. Step 2: Convert to fraction form
   55,908/77,153.76 = 30,758.04/x
3. Step 3: Cross multiply
   55,908x = 77,153.76 × 30,758.04
4. Step 4: Simplify right side
   55,908x = 2,373,098,436.23
5. Step 5: Solve for x
   x = 2,373,098,436.23/55,908
6. Step 6: Final answer
   x = 42,446.49