Finding the Fourth Proportional to 817,994.88, 1,128,540.71 and 473,642.82

Step by Step Solution

1. Step 1: Write the proportion equation
   817,994.88 : 1,128,540.71 = 473,642.82 : x
2. Step 2: Convert to fraction form
   817,994.88/1,128,540.71 = 473,642.82/x
3. Step 3: Cross multiply
   817,994.88x = 1,128,540.71 × 473,642.82
4. Step 4: Simplify right side
   817,994.88x = 534,525,205,553.31
5. Step 5: Solve for x
   x = 534,525,205,553.31/817,994.88
6. Step 6: Final answer
   x = 653,457.89