Finding the Fourth Proportional to 2,146,034.10, 2,961,784.53 and 1,287,066.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,034.10 : 2,961,784.53 = 1,287,066.90 : x
2. Step 2: Convert to fraction form
   2,146,034.10/2,961,784.53 = 1,287,066.90/x
3. Step 3: Cross multiply
   2,146,034.10x = 2,961,784.53 × 1,287,066.90
4. Step 4: Simplify right side
   2,146,034.10x = 3,812,014,833,495.06
5. Step 5: Solve for x
   x = 3,812,014,833,495.06/2,146,034.10
6. Step 6: Final answer
   x = 1,776,306.74