Finding the Fourth Proportional to 2,019,869.31, 2,784,898.46 and 1,293,522.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,869.31 : 2,784,898.46 = 1,293,522.87 : x
2. Step 2: Convert to fraction form
   2,019,869.31/2,784,898.46 = 1,293,522.87/x
3. Step 3: Cross multiply
   2,019,869.31x = 2,784,898.46 × 1,293,522.87
4. Step 4: Simplify right side
   2,019,869.31x = 3,602,329,862,314.96
5. Step 5: Solve for x
   x = 3,602,329,862,314.96/2,019,869.31
6. Step 6: Final answer
   x = 1,783,447.00