Finding the Fourth Proportional to 1,343.89, 1,852.35 and 901.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.89 : 1,852.35 = 901.63 : x
2. Step 2: Convert to fraction form
   1,343.89/1,852.35 = 901.63/x
3. Step 3: Cross multiply
   1,343.89x = 1,852.35 × 901.63
4. Step 4: Simplify right side
   1,343.89x = 1,670,134.33
5. Step 5: Solve for x
   x = 1,670,134.33/1,343.89
6. Step 6: Final answer
   x = 1,242.76