Finding the Fourth Proportional to 2,118,579.47, 2,920,895.50 and 1,372,177.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,579.47 : 2,920,895.50 = 1,372,177.34 : x
2. Step 2: Convert to fraction form
   2,118,579.47/2,920,895.50 = 1,372,177.34/x
3. Step 3: Cross multiply
   2,118,579.47x = 2,920,895.50 × 1,372,177.34
4. Step 4: Simplify right side
   2,118,579.47x = 4,007,986,596,142.61
5. Step 5: Solve for x
   x = 4,007,986,596,142.61/2,118,579.47
6. Step 6: Final answer
   x = 1,891,827.36