Finding the Fourth Proportional to 1,619,084.64, 2,236,320.72 and 1,213,002.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619,084.64 : 2,236,320.72 = 1,213,002.48 : x
2. Step 2: Convert to fraction form
   1,619,084.64/2,236,320.72 = 1,213,002.48/x
3. Step 3: Cross multiply
   1,619,084.64x = 2,236,320.72 × 1,213,002.48
4. Step 4: Simplify right side
   1,619,084.64x = 2,712,662,579,435.39
5. Step 5: Solve for x
   x = 2,712,662,579,435.39/1,619,084.64
6. Step 6: Final answer
   x = 1,675,429.75