Finding the Fourth Proportional to 2,646,889.59, 3,968,732.72 and 1,187,668.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,646,889.59 : 3,968,732.72 = 1,187,668.52 : x
2. Step 2: Convert to fraction form
   2,646,889.59/3,968,732.72 = 1,187,668.52/x
3. Step 3: Cross multiply
   2,646,889.59x = 3,968,732.72 × 1,187,668.52
4. Step 4: Simplify right side
   2,646,889.59x = 4,713,538,907,165.60
5. Step 5: Solve for x
   x = 4,713,538,907,165.60/2,646,889.59
6. Step 6: Final answer
   x = 1,780,784.10