Finding the Fourth Proportional to 914,575.48, 1,262,123.02 and 506,686

Step by Step Solution

1. Step 1: Write the proportion equation
   914,575.48 : 1,262,123.02 = 506,686 : x
2. Step 2: Convert to fraction form
   914,575.48/1,262,123.02 = 506,686/x
3. Step 3: Cross multiply
   914,575.48x = 1,262,123.02 × 506,686
4. Step 4: Simplify right side
   914,575.48x = 639,500,064,511.72
5. Step 5: Solve for x
   x = 639,500,064,511.72/914,575.48
6. Step 6: Final answer
   x = 699,231.59