Finding the Fourth Proportional to 1,335,584.34, 1,845,550.59 and 972,377.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335,584.34 : 1,845,550.59 = 972,377.79 : x
2. Step 2: Convert to fraction form
   1,335,584.34/1,845,550.59 = 972,377.79/x
3. Step 3: Cross multiply
   1,335,584.34x = 1,845,550.59 × 972,377.79
4. Step 4: Simplify right side
   1,335,584.34x = 1,794,572,404,037.40
5. Step 5: Solve for x
   x = 1,794,572,404,037.40/1,335,584.34
6. Step 6: Final answer
   x = 1,343,660.86