Finding the Fourth Proportional to 2,543.64, 3,810.51 and 1,875.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.64 : 3,810.51 = 1,875.32 : x
2. Step 2: Convert to fraction form
   2,543.64/3,810.51 = 1,875.32/x
3. Step 3: Cross multiply
   2,543.64x = 3,810.51 × 1,875.32
4. Step 4: Simplify right side
   2,543.64x = 7,145,925.61
5. Step 5: Solve for x
   x = 7,145,925.61/2,543.64
6. Step 6: Final answer
   x = 2,809.33