Finding the Fourth Proportional to 1,861,667.30, 2,569,135.72 and 1,034,818.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,861,667.30 : 2,569,135.72 = 1,034,818.48 : x
2. Step 2: Convert to fraction form
   1,861,667.30/2,569,135.72 = 1,034,818.48/x
3. Step 3: Cross multiply
   1,861,667.30x = 2,569,135.72 × 1,034,818.48
4. Step 4: Simplify right side
   1,861,667.30x = 2,658,589,120,684.11
5. Step 5: Solve for x
   x = 2,658,589,120,684.11/1,861,667.30
6. Step 6: Final answer
   x = 1,428,068.87