Finding the Fourth Proportional to 448,496.72, 619,075.42 and 267,265.52

Step by Step Solution

1. Step 1: Write the proportion equation
   448,496.72 : 619,075.42 = 267,265.52 : x
2. Step 2: Convert to fraction form
   448,496.72/619,075.42 = 267,265.52/x
3. Step 3: Cross multiply
   448,496.72x = 619,075.42 × 267,265.52
4. Step 4: Simplify right side
   448,496.72x = 165,457,514,045.52
5. Step 5: Solve for x
   x = 165,457,514,045.52/448,496.72
6. Step 6: Final answer
   x = 368,915.77