Finding the Fourth Proportional to 2,138,144.40, 2,948,274.72 and 1,362,546.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,144.40 : 2,948,274.72 = 1,362,546.60 : x
2. Step 2: Convert to fraction form
   2,138,144.40/2,948,274.72 = 1,362,546.60/x
3. Step 3: Cross multiply
   2,138,144.40x = 2,948,274.72 × 1,362,546.60
4. Step 4: Simplify right side
   2,138,144.40x = 4,017,161,695,601.95
5. Step 5: Solve for x
   x = 4,017,161,695,601.95/2,138,144.40
6. Step 6: Final answer
   x = 1,878,807.48