Finding the Fourth Proportional to 1,684,041.98, 2,323,978.78 and 909,672.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,684,041.98 : 2,323,978.78 = 909,672.78 : x
2. Step 2: Convert to fraction form
   1,684,041.98/2,323,978.78 = 909,672.78/x
3. Step 3: Cross multiply
   1,684,041.98x = 2,323,978.78 × 909,672.78
4. Step 4: Simplify right side
   1,684,041.98x = 2,114,060,237,463.61
5. Step 5: Solve for x
   x = 2,114,060,237,463.61/1,684,041.98
6. Step 6: Final answer
   x = 1,255,348.89