Finding the Fourth Proportional to 1,156.51, 1,595.41 and 947.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.51 : 1,595.41 = 947.53 : x
2. Step 2: Convert to fraction form
   1,156.51/1,595.41 = 947.53/x
3. Step 3: Cross multiply
   1,156.51x = 1,595.41 × 947.53
4. Step 4: Simplify right side
   1,156.51x = 1,511,698.46
5. Step 5: Solve for x
   x = 1,511,698.46/1,156.51
6. Step 6: Final answer
   x = 1,307.12