Finding the Fourth Proportional to 818,109.30, 1,226,753.31 and 476,663.25

Step by Step Solution

1. Step 1: Write the proportion equation
   818,109.30 : 1,226,753.31 = 476,663.25 : x
2. Step 2: Convert to fraction form
   818,109.30/1,226,753.31 = 476,663.25/x
3. Step 3: Cross multiply
   818,109.30x = 1,226,753.31 × 476,663.25
4. Step 4: Simplify right side
   818,109.30x = 584,748,219,692.86
5. Step 5: Solve for x
   x = 584,748,219,692.86/818,109.30
6. Step 6: Final answer
   x = 714,755.62