Finding the Fourth Proportional to 1,093.01, 1,507.90 and 761.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093.01 : 1,507.90 = 761.63 : x
2. Step 2: Convert to fraction form
   1,093.01/1,507.90 = 761.63/x
3. Step 3: Cross multiply
   1,093.01x = 1,507.90 × 761.63
4. Step 4: Simplify right side
   1,093.01x = 1,148,456.52
5. Step 5: Solve for x
   x = 1,148,456.52/1,093.01
6. Step 6: Final answer
   x = 1,050.73