Finding the Fourth Proportional to 1,157,039.82, 1,736,679.20 and 558,422.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157,039.82 : 1,736,679.20 = 558,422.42 : x
2. Step 2: Convert to fraction form
   1,157,039.82/1,736,679.20 = 558,422.42/x
3. Step 3: Cross multiply
   1,157,039.82x = 1,736,679.20 × 558,422.42
4. Step 4: Simplify right side
   1,157,039.82x = 969,800,590,152.16
5. Step 5: Solve for x
   x = 969,800,590,152.16/1,157,039.82
6. Step 6: Final answer
   x = 838,173.91