Finding the Fourth Proportional to 2,424.51, 3,345.71 and 1,376.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424.51 : 3,345.71 = 1,376.91 : x
2. Step 2: Convert to fraction form
   2,424.51/3,345.71 = 1,376.91/x
3. Step 3: Cross multiply
   2,424.51x = 3,345.71 × 1,376.91
4. Step 4: Simplify right side
   2,424.51x = 4,606,734.67
5. Step 5: Solve for x
   x = 4,606,734.67/2,424.51
6. Step 6: Final answer
   x = 1,900.07