Finding the Fourth Proportional to 842,770,799.61, 1,163,015,136.72 and 466,428,118.07

Step by Step Solution

1. Step 1: Write the proportion equation
   842,770,799.61 : 1,163,015,136.72 = 466,428,118.07 : x
2. Step 2: Convert to fraction form
   842,770,799.61/1,163,015,136.72 = 466,428,118.07/x
3. Step 3: Cross multiply
   842,770,799.61x = 1,163,015,136.72 × 466,428,118.07
4. Step 4: Simplify right side
   842,770,799.61x = 542,462,961,501,418,304
5. Step 5: Solve for x
   x = 542,462,961,501,418,304/842,770,799.61
6. Step 6: Final answer
   x = 643,666,061.70