Finding the Fourth Proportional to 1,920,661.63, 2,650,507.61 and 1,061,215.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920,661.63 : 2,650,507.61 = 1,061,215.76 : x
2. Step 2: Convert to fraction form
   1,920,661.63/2,650,507.61 = 1,061,215.76/x
3. Step 3: Cross multiply
   1,920,661.63x = 2,650,507.61 × 1,061,215.76
4. Step 4: Simplify right side
   1,920,661.63x = 2,812,760,449,052.12
5. Step 5: Solve for x
   x = 2,812,760,449,052.12/1,920,661.63
6. Step 6: Final answer
   x = 1,464,474.75