Finding the Fourth Proportional to 1,173,994.62, 1,760,577.17 and 558,426.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173,994.62 : 1,760,577.17 = 558,426.12 : x
2. Step 2: Convert to fraction form
   1,173,994.62/1,760,577.17 = 558,426.12/x
3. Step 3: Cross multiply
   1,173,994.62x = 1,760,577.17 × 558,426.12
4. Step 4: Simplify right side
   1,173,994.62x = 983,152,275,211.55
5. Step 5: Solve for x
   x = 983,152,275,211.55/1,173,994.62
6. Step 6: Final answer
   x = 837,441.89