Finding the Fourth Proportional to 881,777,123.99, 1,216,830,035.38 and 479,873,788.82

Step by Step Solution

1. Step 1: Write the proportion equation
   881,777,123.99 : 1,216,830,035.38 = 479,873,788.82 : x
2. Step 2: Convert to fraction form
   881,777,123.99/1,216,830,035.38 = 479,873,788.82/x
3. Step 3: Cross multiply
   881,777,123.99x = 1,216,830,035.38 × 479,873,788.82
4. Step 4: Simplify right side
   881,777,123.99x = 583,924,839,419,291,776
5. Step 5: Solve for x
   x = 583,924,839,419,291,776/881,777,123.99
6. Step 6: Final answer
   x = 662,213,640.54