Finding the Fourth Proportional to 1,300,612.45, 1,951,105.62 and 402,124.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,612.45 : 1,951,105.62 = 402,124.26 : x
2. Step 2: Convert to fraction form
   1,300,612.45/1,951,105.62 = 402,124.26/x
3. Step 3: Cross multiply
   1,300,612.45x = 1,951,105.62 × 402,124.26
4. Step 4: Simplify right side
   1,300,612.45x = 784,586,892,593.58
5. Step 5: Solve for x
   x = 784,586,892,593.58/1,300,612.45
6. Step 6: Final answer
   x = 603,244.18