Finding the Fourth Proportional to 5,405.31, 7,459.32 and 3,047.46

Step by Step Solution

1. Step 1: Write the proportion equation
   5,405.31 : 7,459.32 = 3,047.46 : x
2. Step 2: Convert to fraction form
   5,405.31/7,459.32 = 3,047.46/x
3. Step 3: Cross multiply
   5,405.31x = 7,459.32 × 3,047.46
4. Step 4: Simplify right side
   5,405.31x = 22,731,962.78
5. Step 5: Solve for x
   x = 22,731,962.78/5,405.31
6. Step 6: Final answer
   x = 4,205.48