Finding the Fourth Proportional to 1,572,034.72, 2,356,078.92 and 672,419.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,572,034.72 : 2,356,078.92 = 672,419.02 : x
2. Step 2: Convert to fraction form
   1,572,034.72/2,356,078.92 = 672,419.02/x
3. Step 3: Cross multiply
   1,572,034.72x = 2,356,078.92 × 672,419.02
4. Step 4: Simplify right side
   1,572,034.72x = 1,584,272,278,429.06
5. Step 5: Solve for x
   x = 1,584,272,278,429.06/1,572,034.72
6. Step 6: Final answer
   x = 1,007,784.53