Finding the Fourth Proportional to 1,425,782.76, 2,142,018.78 and 1,345,080.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425,782.76 : 2,142,018.78 = 1,345,080.84 : x
2. Step 2: Convert to fraction form
   1,425,782.76/2,142,018.78 = 1,345,080.84/x
3. Step 3: Cross multiply
   1,425,782.76x = 2,142,018.78 × 1,345,080.84
4. Step 4: Simplify right side
   1,425,782.76x = 2,881,188,419,898.18
5. Step 5: Solve for x
   x = 2,881,188,419,898.18/1,425,782.76
6. Step 6: Final answer
   x = 2,020,776.59