Finding the Fourth Proportional to 3,078,456.64, 4,248,196.64 and 1,720,592.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,078,456.64 : 4,248,196.64 = 1,720,592.16 : x
2. Step 2: Convert to fraction form
   3,078,456.64/4,248,196.64 = 1,720,592.16/x
3. Step 3: Cross multiply
   3,078,456.64x = 4,248,196.64 × 1,720,592.16
4. Step 4: Simplify right side
   3,078,456.64x = 7,309,413,832,922.34
5. Step 5: Solve for x
   x = 7,309,413,832,922.34/3,078,456.64
6. Step 6: Final answer
   x = 2,374,376.09