Finding the Fourth Proportional to 51,359.86, 70,882.17 and 30,142.18

Step by Step Solution

1. Step 1: Write the proportion equation
   51,359.86 : 70,882.17 = 30,142.18 : x
2. Step 2: Convert to fraction form
   51,359.86/70,882.17 = 30,142.18/x
3. Step 3: Cross multiply
   51,359.86x = 70,882.17 × 30,142.18
4. Step 4: Simplify right side
   51,359.86x = 2,136,543,126.93
5. Step 5: Solve for x
   x = 2,136,543,126.93/51,359.86
6. Step 6: Final answer
   x = 41,599.47