Finding the Fourth Proportional to 367,080.72, 550,504.41 and 249,507.60

Step by Step Solution

1. Step 1: Write the proportion equation
   367,080.72 : 550,504.41 = 249,507.60 : x
2. Step 2: Convert to fraction form
   367,080.72/550,504.41 = 249,507.60/x
3. Step 3: Cross multiply
   367,080.72x = 550,504.41 × 249,507.60
4. Step 4: Simplify right side
   367,080.72x = 137,355,034,128.52
5. Step 5: Solve for x
   x = 137,355,034,128.52/367,080.72
6. Step 6: Final answer
   x = 374,182.10