Finding the Fourth Proportional to 2,400,665.76, 3,599,128.96 and 1,201,970.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,400,665.76 : 3,599,128.96 = 1,201,970.40 : x
2. Step 2: Convert to fraction form
   2,400,665.76/3,599,128.96 = 1,201,970.40/x
3. Step 3: Cross multiply
   2,400,665.76x = 3,599,128.96 × 1,201,970.40
4. Step 4: Simplify right side
   2,400,665.76x = 4,326,046,475,702.78
5. Step 5: Solve for x
   x = 4,326,046,475,702.78/2,400,665.76
6. Step 6: Final answer
   x = 1,802,019.48