Finding the Fourth Proportional to 910,993.52, 1,257,166.82 and 503,093.59

Step by Step Solution

1. Step 1: Write the proportion equation
   910,993.52 : 1,257,166.82 = 503,093.59 : x
2. Step 2: Convert to fraction form
   910,993.52/1,257,166.82 = 503,093.59/x
3. Step 3: Cross multiply
   910,993.52x = 1,257,166.82 × 503,093.59
4. Step 4: Simplify right side
   910,993.52x = 632,472,566,817.50
5. Step 5: Solve for x
   x = 632,472,566,817.50/910,993.52
6. Step 6: Final answer
   x = 694,266.81