Finding the Fourth Proportional to 10,300.14, 15,435.60 and 5,031.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.14 : 15,435.60 = 5,031.27 : x
2. Step 2: Convert to fraction form
   10,300.14/15,435.60 = 5,031.27/x
3. Step 3: Cross multiply
   10,300.14x = 15,435.60 × 5,031.27
4. Step 4: Simplify right side
   10,300.14x = 77,660,671.21
5. Step 5: Solve for x
   x = 77,660,671.21/10,300.14
6. Step 6: Final answer
   x = 7,539.77