Finding the Fourth Proportional to 1,992,787.34, 2,989,681.59 and 572,846

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992,787.34 : 2,989,681.59 = 572,846 : x
2. Step 2: Convert to fraction form
   1,992,787.34/2,989,681.59 = 572,846/x
3. Step 3: Cross multiply
   1,992,787.34x = 2,989,681.59 × 572,846
4. Step 4: Simplify right side
   1,992,787.34x = 1,712,627,140,105.14
5. Step 5: Solve for x
   x = 1,712,627,140,105.14/1,992,787.34
6. Step 6: Final answer
   x = 859,412.90