Finding the Fourth Proportional to 2,155,942.50, 3,236,156.80 and 1,587,964.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,942.50 : 3,236,156.80 = 1,587,964.94 : x
2. Step 2: Convert to fraction form
   2,155,942.50/3,236,156.80 = 1,587,964.94/x
3. Step 3: Cross multiply
   2,155,942.50x = 3,236,156.80 × 1,587,964.94
4. Step 4: Simplify right side
   2,155,942.50x = 5,138,903,538,742.59
5. Step 5: Solve for x
   x = 5,138,903,538,742.59/2,155,942.50
6. Step 6: Final answer
   x = 2,383,599.53