Finding the Fourth Proportional to 1,069,970.72, 1,603,951.37 and 359,501.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,970.72 : 1,603,951.37 = 359,501.90 : x
2. Step 2: Convert to fraction form
   1,069,970.72/1,603,951.37 = 359,501.90/x
3. Step 3: Cross multiply
   1,069,970.72x = 1,603,951.37 × 359,501.90
4. Step 4: Simplify right side
   1,069,970.72x = 576,623,556,553.47
5. Step 5: Solve for x
   x = 576,623,556,553.47/1,069,970.72
6. Step 6: Final answer
   x = 538,915.27