Finding the Fourth Proportional to 1,378,498.32, 1,902,217.32 and 766,652.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,378,498.32 : 1,902,217.32 = 766,652.22 : x
2. Step 2: Convert to fraction form
   1,378,498.32/1,902,217.32 = 766,652.22/x
3. Step 3: Cross multiply
   1,378,498.32x = 1,902,217.32 × 766,652.22
4. Step 4: Simplify right side
   1,378,498.32x = 1,458,339,131,300.45
5. Step 5: Solve for x
   x = 1,458,339,131,300.45/1,378,498.32
6. Step 6: Final answer
   x = 1,057,918.69