Finding the Fourth Proportional to 10,031.93, 15,047.86 and 3,011.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,031.93 : 15,047.86 = 3,011.91 : x
2. Step 2: Convert to fraction form
   10,031.93/15,047.86 = 3,011.91/x
3. Step 3: Cross multiply
   10,031.93x = 15,047.86 × 3,011.91
4. Step 4: Simplify right side
   10,031.93x = 45,322,800.01
5. Step 5: Solve for x
   x = 45,322,800.01/10,031.93
6. Step 6: Final answer
   x = 4,517.85