Finding the Fourth Proportional to 2,168,520.48, 2,992,522.35 and 1,188,451.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168,520.48 : 2,992,522.35 = 1,188,451.98 : x
2. Step 2: Convert to fraction form
   2,168,520.48/2,992,522.35 = 1,188,451.98/x
3. Step 3: Cross multiply
   2,168,520.48x = 2,992,522.35 × 1,188,451.98
4. Step 4: Simplify right side
   2,168,520.48x = 3,556,469,112,051.75
5. Step 5: Solve for x
   x = 3,556,469,112,051.75/2,168,520.48
6. Step 6: Final answer
   x = 1,640,044.05