Finding the Fourth Proportional to 1,375,783.10, 2,054,410.38 and 1,123,564.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375,783.10 : 2,054,410.38 = 1,123,564.28 : x
2. Step 2: Convert to fraction form
   1,375,783.10/2,054,410.38 = 1,123,564.28/x
3. Step 3: Cross multiply
   1,375,783.10x = 2,054,410.38 × 1,123,564.28
4. Step 4: Simplify right side
   1,375,783.10x = 2,308,262,109,157.17
5. Step 5: Solve for x
   x = 2,308,262,109,157.17/1,375,783.10
6. Step 6: Final answer
   x = 1,677,780.54