Finding the Fourth Proportional to 1,420,025.99, 2,128,460.90 and 1,081,951.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,420,025.99 : 2,128,460.90 = 1,081,951.83 : x
2. Step 2: Convert to fraction form
   1,420,025.99/2,128,460.90 = 1,081,951.83/x
3. Step 3: Cross multiply
   1,420,025.99x = 2,128,460.90 × 1,081,951.83
4. Step 4: Simplify right side
   1,420,025.99x = 2,302,892,160,428.69
5. Step 5: Solve for x
   x = 2,302,892,160,428.69/1,420,025.99
6. Step 6: Final answer
   x = 1,621,725.37