Finding the Fourth Proportional to 10,065.42, 15,101.01 and 3,139.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,065.42 : 15,101.01 = 3,139.98 : x
2. Step 2: Convert to fraction form
   10,065.42/15,101.01 = 3,139.98/x
3. Step 3: Cross multiply
   10,065.42x = 15,101.01 × 3,139.98
4. Step 4: Simplify right side
   10,065.42x = 47,416,869.38
5. Step 5: Solve for x
   x = 47,416,869.38/10,065.42
6. Step 6: Final answer
   x = 4,710.87