Finding the Fourth Proportional to 82,900.07, 124,365.16 and 47,401.42

Step by Step Solution

1. Step 1: Write the proportion equation
   82,900.07 : 124,365.16 = 47,401.42 : x
2. Step 2: Convert to fraction form
   82,900.07/124,365.16 = 47,401.42/x
3. Step 3: Cross multiply
   82,900.07x = 124,365.16 × 47,401.42
4. Step 4: Simplify right side
   82,900.07x = 5,895,084,897.42
5. Step 5: Solve for x
   x = 5,895,084,897.42/82,900.07
6. Step 6: Final answer
   x = 71,110.73