Finding the Fourth Proportional to 1,520,185.76, 2,275,732.56 and 919,328.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520,185.76 : 2,275,732.56 = 919,328.48 : x
2. Step 2: Convert to fraction form
   1,520,185.76/2,275,732.56 = 919,328.48/x
3. Step 3: Cross multiply
   1,520,185.76x = 2,275,732.56 × 919,328.48
4. Step 4: Simplify right side
   1,520,185.76x = 2,092,145,755,271.31
5. Step 5: Solve for x
   x = 2,092,145,755,271.31/1,520,185.76
6. Step 6: Final answer
   x = 1,376,243.49