Finding the Fourth Proportional to 1,066,978.91, 1,472,410.26 and 583,542.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066,978.91 : 1,472,410.26 = 583,542.56 : x
2. Step 2: Convert to fraction form
   1,066,978.91/1,472,410.26 = 583,542.56/x
3. Step 3: Cross multiply
   1,066,978.91x = 1,472,410.26 × 583,542.56
4. Step 4: Simplify right side
   1,066,978.91x = 859,214,045,128.61
5. Step 5: Solve for x
   x = 859,214,045,128.61/1,066,978.91
6. Step 6: Final answer
   x = 805,277.44