Finding the Fourth Proportional to 2,171,713.55, 2,994,495.41 and 1,385,722.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,713.55 : 2,994,495.41 = 1,385,722.15 : x
2. Step 2: Convert to fraction form
   2,171,713.55/2,994,495.41 = 1,385,722.15/x
3. Step 3: Cross multiply
   2,171,713.55x = 2,994,495.41 × 1,385,722.15
4. Step 4: Simplify right side
   2,171,713.55x = 4,149,538,613,688.40
5. Step 5: Solve for x
   x = 4,149,538,613,688.40/2,171,713.55
6. Step 6: Final answer
   x = 1,910,720.97