Finding the Fourth Proportional to 939,524,086.50, 1,409,467,608.12 and 357,213,055.98

Step by Step Solution

1. Step 1: Write the proportion equation
   939,524,086.50 : 1,409,467,608.12 = 357,213,055.98 : x
2. Step 2: Convert to fraction form
   939,524,086.50/1,409,467,608.12 = 357,213,055.98/x
3. Step 3: Cross multiply
   939,524,086.50x = 1,409,467,608.12 × 357,213,055.98
4. Step 4: Simplify right side
   939,524,086.50x = 503,480,231,601,366,272
5. Step 5: Solve for x
   x = 503,480,231,601,366,272/939,524,086.50
6. Step 6: Final answer
   x = 535,888,583.20