Finding the Fourth Proportional to 406,010,874.84, 560,280,004.24 and 220,367,904.72

Step by Step Solution

1. Step 1: Write the proportion equation
   406,010,874.84 : 560,280,004.24 = 220,367,904.72 : x
2. Step 2: Convert to fraction form
   406,010,874.84/560,280,004.24 = 220,367,904.72/x
3. Step 3: Cross multiply
   406,010,874.84x = 560,280,004.24 × 220,367,904.72
4. Step 4: Simplify right side
   406,010,874.84x = 123,467,730,590,881,520
5. Step 5: Solve for x
   x = 123,467,730,590,881,520/406,010,874.84
6. Step 6: Final answer
   x = 304,099,565.41