Finding the Fourth Proportional to 406,010,870.58, 560,279,998.37 and 220,367,900.46

Step by Step Solution

1. Step 1: Write the proportion equation
   406,010,870.58 : 560,279,998.37 = 220,367,900.46 : x
2. Step 2: Convert to fraction form
   406,010,870.58/560,279,998.37 = 220,367,900.46/x
3. Step 3: Cross multiply
   406,010,870.58x = 560,279,998.37 × 220,367,900.46
4. Step 4: Simplify right side
   406,010,870.58x = 123,467,726,911,940,432
5. Step 5: Solve for x
   x = 123,467,726,911,940,432/406,010,870.58
6. Step 6: Final answer
   x = 304,099,559.54