Finding the Fourth Proportional to 1,051.86, 1,451.69 and 632.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.86 : 1,451.69 = 632.43 : x
2. Step 2: Convert to fraction form
   1,051.86/1,451.69 = 632.43/x
3. Step 3: Cross multiply
   1,051.86x = 1,451.69 × 632.43
4. Step 4: Simplify right side
   1,051.86x = 918,095.07
5. Step 5: Solve for x
   x = 918,095.07/1,051.86
6. Step 6: Final answer
   x = 872.83