Finding the Fourth Proportional to 1,122,404.52, 1,549,428.03 and 715,064.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,122,404.52 : 1,549,428.03 = 715,064.88 : x
2. Step 2: Convert to fraction form
   1,122,404.52/1,549,428.03 = 715,064.88/x
3. Step 3: Cross multiply
   1,122,404.52x = 1,549,428.03 × 715,064.88
4. Step 4: Simplify right side
   1,122,404.52x = 1,107,941,568,340.59
5. Step 5: Solve for x
   x = 1,107,941,568,340.59/1,122,404.52
6. Step 6: Final answer
   x = 987,114.31