Finding the Fourth Proportional to 2,003,428.08, 2,764,591.56 and 1,187,589.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003,428.08 : 2,764,591.56 = 1,187,589.60 : x
2. Step 2: Convert to fraction form
   2,003,428.08/2,764,591.56 = 1,187,589.60/x
3. Step 3: Cross multiply
   2,003,428.08x = 2,764,591.56 × 1,187,589.60
4. Step 4: Simplify right side
   2,003,428.08x = 3,283,200,184,903.78
5. Step 5: Solve for x
   x = 3,283,200,184,903.78/2,003,428.08
6. Step 6: Final answer
   x = 1,638,791.14