Finding the Fourth Proportional to 1,054,054.22, 1,454,595.31 and 570,619.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054,054.22 : 1,454,595.31 = 570,619.37 : x
2. Step 2: Convert to fraction form
   1,054,054.22/1,454,595.31 = 570,619.37/x
3. Step 3: Cross multiply
   1,054,054.22x = 1,454,595.31 × 570,619.37
4. Step 4: Simplify right side
   1,054,054.22x = 830,020,250,697.63
5. Step 5: Solve for x
   x = 830,020,250,697.63/1,054,054.22
6. Step 6: Final answer
   x = 787,454.99