Finding the Fourth Proportional to 1,978,490.52, 2,730,068.70 and 1,173,519

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,490.52 : 2,730,068.70 = 1,173,519 : x
2. Step 2: Convert to fraction form
   1,978,490.52/2,730,068.70 = 1,173,519/x
3. Step 3: Cross multiply
   1,978,490.52x = 2,730,068.70 × 1,173,519
4. Step 4: Simplify right side
   1,978,490.52x = 3,203,787,490,755.30
5. Step 5: Solve for x
   x = 3,203,787,490,755.30/1,978,490.52
6. Step 6: Final answer
   x = 1,619,308.99