Finding the Fourth Proportional to 2,118,991.10, 2,924,173.28 and 1,152,145.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,991.10 : 2,924,173.28 = 1,152,145.74 : x
2. Step 2: Convert to fraction form
   2,118,991.10/2,924,173.28 = 1,152,145.74/x
3. Step 3: Cross multiply
   2,118,991.10x = 2,924,173.28 × 1,152,145.74
4. Step 4: Simplify right side
   2,118,991.10x = 3,369,073,781,813.10
5. Step 5: Solve for x
   x = 3,369,073,781,813.10/2,118,991.10
6. Step 6: Final answer
   x = 1,589,942.40