Finding the Fourth Proportional to 1,126,792.56, 1,554,985.98 and 617,484

Step by Step Solution

1. Step 1: Write the proportion equation
   1,126,792.56 : 1,554,985.98 = 617,484 : x
2. Step 2: Convert to fraction form
   1,126,792.56/1,554,985.98 = 617,484/x
3. Step 3: Cross multiply
   1,126,792.56x = 1,554,985.98 × 617,484
4. Step 4: Simplify right side
   1,126,792.56x = 960,178,962,874.32
5. Step 5: Solve for x
   x = 960,178,962,874.32/1,126,792.56
6. Step 6: Final answer
   x = 852,134.63