Finding the Fourth Proportional to 3,405,462.72, 5,109,415.20 and 1,459,374.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,405,462.72 : 5,109,415.20 = 1,459,374.72 : x
2. Step 2: Convert to fraction form
   3,405,462.72/5,109,415.20 = 1,459,374.72/x
3. Step 3: Cross multiply
   3,405,462.72x = 5,109,415.20 × 1,459,374.72
4. Step 4: Simplify right side
   3,405,462.72x = 7,456,551,376,863.74
5. Step 5: Solve for x
   x = 7,456,551,376,863.74/3,405,462.72
6. Step 6: Final answer
   x = 2,189,585.38