Finding the Fourth Proportional to 42,077.07, 63,055.46 and 30,896.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42,077.07 : 63,055.46 = 30,896.03 : x
2. Step 2: Convert to fraction form
   42,077.07/63,055.46 = 30,896.03/x
3. Step 3: Cross multiply
   42,077.07x = 63,055.46 × 30,896.03
4. Step 4: Simplify right side
   42,077.07x = 1,948,163,618.70
5. Step 5: Solve for x
   x = 1,948,163,618.70/42,077.07
6. Step 6: Final answer
   x = 46,299.89