Finding the Fourth Proportional to 760,574.34, 1,049,284.98 and 438,111.72

Step by Step Solution

1. Step 1: Write the proportion equation
   760,574.34 : 1,049,284.98 = 438,111.72 : x
2. Step 2: Convert to fraction form
   760,574.34/1,049,284.98 = 438,111.72/x
3. Step 3: Cross multiply
   760,574.34x = 1,049,284.98 × 438,111.72
4. Step 4: Simplify right side
   760,574.34x = 459,704,047,357.97
5. Step 5: Solve for x
   x = 459,704,047,357.97/760,574.34
6. Step 6: Final answer
   x = 604,416.98