Finding the Fourth Proportional to 3,517,081.70, 5,272,866.59 and 1,388,758.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,517,081.70 : 5,272,866.59 = 1,388,758.91 : x
2. Step 2: Convert to fraction form
   3,517,081.70/5,272,866.59 = 1,388,758.91/x
3. Step 3: Cross multiply
   3,517,081.70x = 5,272,866.59 × 1,388,758.91
4. Step 4: Simplify right side
   3,517,081.70x = 7,322,740,424,795.69
5. Step 5: Solve for x
   x = 7,322,740,424,795.69/3,517,081.70
6. Step 6: Final answer
   x = 2,082,050.14