Finding the Fourth Proportional to 406,088,700.72, 560,409,222.06 and 220,449,716.34

Step by Step Solution

1. Step 1: Write the proportion equation
   406,088,700.72 : 560,409,222.06 = 220,449,716.34 : x
2. Step 2: Convert to fraction form
   406,088,700.72/560,409,222.06 = 220,449,716.34/x
3. Step 3: Cross multiply
   406,088,700.72x = 560,409,222.06 × 220,449,716.34
4. Step 4: Simplify right side
   406,088,700.72x = 123,542,054,037,447,056
5. Step 5: Solve for x
   x = 123,542,054,037,447,056/406,088,700.72
6. Step 6: Final answer
   x = 304,224,308.18