Finding the Fourth Proportional to 4,935.86, 7,404.94 and 1,425.90

Step by Step Solution

1. Step 1: Write the proportion equation
   4,935.86 : 7,404.94 = 1,425.90 : x
2. Step 2: Convert to fraction form
   4,935.86/7,404.94 = 1,425.90/x
3. Step 3: Cross multiply
   4,935.86x = 7,404.94 × 1,425.90
4. Step 4: Simplify right side
   4,935.86x = 10,558,737.51
5. Step 5: Solve for x
   x = 10,558,737.51/4,935.86
6. Step 6: Final answer
   x = 2,139.19