Finding the Fourth Proportional to 1,927,475.34, 2,890,650.72 and 647,938.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,927,475.34 : 2,890,650.72 = 647,938.18 : x
2. Step 2: Convert to fraction form
   1,927,475.34/2,890,650.72 = 647,938.18/x
3. Step 3: Cross multiply
   1,927,475.34x = 2,890,650.72 × 647,938.18
4. Step 4: Simplify right side
   1,927,475.34x = 1,872,962,966,532.49
5. Step 5: Solve for x
   x = 1,872,962,966,532.49/1,927,475.34
6. Step 6: Final answer
   x = 971,718.25