Finding the Fourth Proportional to 2,457,443.60, 3,390,861.16 and 1,369,476.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457,443.60 : 3,390,861.16 = 1,369,476.72 : x
2. Step 2: Convert to fraction form
   2,457,443.60/3,390,861.16 = 1,369,476.72/x
3. Step 3: Cross multiply
   2,457,443.60x = 3,390,861.16 × 1,369,476.72
4. Step 4: Simplify right side
   2,457,443.60x = 4,643,705,419,372.20
5. Step 5: Solve for x
   x = 4,643,705,419,372.20/2,457,443.60
6. Step 6: Final answer
   x = 1,889,648.83