Finding the Fourth Proportional to 42,902.53, 59,170.38 and 30,197.77

Step by Step Solution

1. Step 1: Write the proportion equation
   42,902.53 : 59,170.38 = 30,197.77 : x
2. Step 2: Convert to fraction form
   42,902.53/59,170.38 = 30,197.77/x
3. Step 3: Cross multiply
   42,902.53x = 59,170.38 × 30,197.77
4. Step 4: Simplify right side
   42,902.53x = 1,786,813,264.89
5. Step 5: Solve for x
   x = 1,786,813,264.89/42,902.53
6. Step 6: Final answer
   x = 41,648.20