Finding the Fourth Proportional to 10,300.47, 15,437.03 and 3,720.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.47 : 15,437.03 = 3,720.33 : x
2. Step 2: Convert to fraction form
   10,300.47/15,437.03 = 3,720.33/x
3. Step 3: Cross multiply
   10,300.47x = 15,437.03 × 3,720.33
4. Step 4: Simplify right side
   10,300.47x = 57,430,848.15
5. Step 5: Solve for x
   x = 57,430,848.15/10,300.47
6. Step 6: Final answer
   x = 5,575.56