Finding the Fourth Proportional to 3,280,978.08, 4,921,437.60 and 1,037,116.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,280,978.08 : 4,921,437.60 = 1,037,116.80 : x
2. Step 2: Convert to fraction form
   3,280,978.08/4,921,437.60 = 1,037,116.80/x
3. Step 3: Cross multiply
   3,280,978.08x = 4,921,437.60 × 1,037,116.80
4. Step 4: Simplify right side
   3,280,978.08x = 5,104,105,615,111.68
5. Step 5: Solve for x
   x = 5,104,105,615,111.68/3,280,978.08
6. Step 6: Final answer
   x = 1,555,665.87