Finding the Fourth Proportional to 1,066,704.72, 1,472,068.28 and 722,645.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066,704.72 : 1,472,068.28 = 722,645.88 : x
2. Step 2: Convert to fraction form
   1,066,704.72/1,472,068.28 = 722,645.88/x
3. Step 3: Cross multiply
   1,066,704.72x = 1,472,068.28 × 722,645.88
4. Step 4: Simplify right side
   1,066,704.72x = 1,063,784,077,620.69
5. Step 5: Solve for x
   x = 1,063,784,077,620.69/1,066,704.72
6. Step 6: Final answer
   x = 997,262.00