Finding the Fourth Proportional to 3,870,708.23, 5,802,436.35 and 1,310,131.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870,708.23 : 5,802,436.35 = 1,310,131.37 : x
2. Step 2: Convert to fraction form
   3,870,708.23/5,802,436.35 = 1,310,131.37/x
3. Step 3: Cross multiply
   3,870,708.23x = 5,802,436.35 × 1,310,131.37
4. Step 4: Simplify right side
   3,870,708.23x = 7,601,953,855,551.12
5. Step 5: Solve for x
   x = 7,601,953,855,551.12/3,870,708.23
6. Step 6: Final answer
   x = 1,963,969.75