Finding the Fourth Proportional to 2,308,320.71, 3,185,485.67 and 1,328,240.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308,320.71 : 3,185,485.67 = 1,328,240.28 : x
2. Step 2: Convert to fraction form
   2,308,320.71/3,185,485.67 = 1,328,240.28/x
3. Step 3: Cross multiply
   2,308,320.71x = 3,185,485.67 × 1,328,240.28
4. Step 4: Simplify right side
   2,308,320.71x = 4,231,090,378,256.79
5. Step 5: Solve for x
   x = 4,231,090,378,256.79/2,308,320.71
6. Step 6: Final answer
   x = 1,832,973.36