Finding the Fourth Proportional to 1,761,747.90, 2,431,382.67 and 987,510.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761,747.90 : 2,431,382.67 = 987,510.30 : x
2. Step 2: Convert to fraction form
   1,761,747.90/2,431,382.67 = 987,510.30/x
3. Step 3: Cross multiply
   1,761,747.90x = 2,431,382.67 × 987,510.30
4. Step 4: Simplify right side
   1,761,747.90x = 2,401,015,429,866.50
5. Step 5: Solve for x
   x = 2,401,015,429,866.50/1,761,747.90
6. Step 6: Final answer
   x = 1,362,859.82