Finding the Fourth Proportional to 760,585.72, 1,049,620.72 and 416,415.88

Step by Step Solution

1. Step 1: Write the proportion equation
   760,585.72 : 1,049,620.72 = 416,415.88 : x
2. Step 2: Convert to fraction form
   760,585.72/1,049,620.72 = 416,415.88/x
3. Step 3: Cross multiply
   760,585.72x = 1,049,620.72 × 416,415.88
4. Step 4: Simplify right side
   760,585.72x = 437,078,735,785.03
5. Step 5: Solve for x
   x = 437,078,735,785.03/760,585.72
6. Step 6: Final answer
   x = 574,660.72