Finding the Fourth Proportional to 1,371,345.50, 2,058,345.02 and 661,872.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371,345.50 : 2,058,345.02 = 661,872.98 : x
2. Step 2: Convert to fraction form
   1,371,345.50/2,058,345.02 = 661,872.98/x
3. Step 3: Cross multiply
   1,371,345.50x = 2,058,345.02 × 661,872.98
4. Step 4: Simplify right side
   1,371,345.50x = 1,362,362,943,618.52
5. Step 5: Solve for x
   x = 1,362,362,943,618.52/1,371,345.50
6. Step 6: Final answer
   x = 993,449.83