Finding the Fourth Proportional to 1,097,145.30, 1,644,223.15 and 528,484.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097,145.30 : 1,644,223.15 = 528,484.98 : x
2. Step 2: Convert to fraction form
   1,097,145.30/1,644,223.15 = 528,484.98/x
3. Step 3: Cross multiply
   1,097,145.30x = 1,644,223.15 × 528,484.98
4. Step 4: Simplify right side
   1,097,145.30x = 868,947,238,543.29
5. Step 5: Solve for x
   x = 868,947,238,543.29/1,097,145.30
6. Step 6: Final answer
   x = 792,007.44