Finding the Fourth Proportional to 2,084,916.16, 3,127,607.59 and 664,642.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084,916.16 : 3,127,607.59 = 664,642.72 : x
2. Step 2: Convert to fraction form
   2,084,916.16/3,127,607.59 = 664,642.72/x
3. Step 3: Cross multiply
   2,084,916.16x = 3,127,607.59 × 664,642.72
4. Step 4: Simplify right side
   2,084,916.16x = 2,078,741,615,710.24
5. Step 5: Solve for x
   x = 2,078,741,615,710.24/2,084,916.16
6. Step 6: Final answer
   x = 997,038.47