Finding the Fourth Proportional to 2,505,391.34, 3,758,085.16 and 1,439,753.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505,391.34 : 3,758,085.16 = 1,439,753.72 : x
2. Step 2: Convert to fraction form
   2,505,391.34/3,758,085.16 = 1,439,753.72/x
3. Step 3: Cross multiply
   2,505,391.34x = 3,758,085.16 × 1,439,753.72
4. Step 4: Simplify right side
   2,505,391.34x = 5,410,717,089,186.80
5. Step 5: Solve for x
   x = 5,410,717,089,186.80/2,505,391.34
6. Step 6: Final answer
   x = 2,159,629.52