Finding the Fourth Proportional to 1,446,411.68, 2,169,978.74 and 1,020,778.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446,411.68 : 2,169,978.74 = 1,020,778.82 : x
2. Step 2: Convert to fraction form
   1,446,411.68/2,169,978.74 = 1,020,778.82/x
3. Step 3: Cross multiply
   1,446,411.68x = 2,169,978.74 × 1,020,778.82
4. Step 4: Simplify right side
   1,446,411.68x = 2,215,068,321,688.50
5. Step 5: Solve for x
   x = 2,215,068,321,688.50/1,446,411.68
6. Step 6: Final answer
   x = 1,531,423.15