Finding the Fourth Proportional to 1,953.72, 2,696.02 and 1,167.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,953.72 : 2,696.02 = 1,167.72 : x
2. Step 2: Convert to fraction form
   1,953.72/2,696.02 = 1,167.72/x
3. Step 3: Cross multiply
   1,953.72x = 2,696.02 × 1,167.72
4. Step 4: Simplify right side
   1,953.72x = 3,148,196.47
5. Step 5: Solve for x
   x = 3,148,196.47/1,953.72
6. Step 6: Final answer
   x = 1,611.39