Finding the Fourth Proportional to 2,118,978.90, 2,924,175.78 and 1,152,109.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,978.90 : 2,924,175.78 = 1,152,109.44 : x
2. Step 2: Convert to fraction form
   2,118,978.90/2,924,175.78 = 1,152,109.44/x
3. Step 3: Cross multiply
   2,118,978.90x = 2,924,175.78 × 1,152,109.44
4. Step 4: Simplify right side
   2,118,978.90x = 3,368,970,520,357.36
5. Step 5: Solve for x
   x = 3,368,970,520,357.36/2,118,978.90
6. Step 6: Final answer
   x = 1,589,902.82