Finding the Fourth Proportional to 2,158,546.29, 2,978,746.54 and 1,178,451.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,546.29 : 2,978,746.54 = 1,178,451.82 : x
2. Step 2: Convert to fraction form
   2,158,546.29/2,978,746.54 = 1,178,451.82/x
3. Step 3: Cross multiply
   2,158,546.29x = 2,978,746.54 × 1,178,451.82
4. Step 4: Simplify right side
   2,158,546.29x = 3,510,309,281,381.70
5. Step 5: Solve for x
   x = 3,510,309,281,381.70/2,158,546.29
6. Step 6: Final answer
   x = 1,626,237.67