Finding the Fourth Proportional to 28,230,492,078.72, 42,352,053,474.24 and 8,602,723,451.52

Step by Step Solution

1. Step 1: Write the proportion equation
   28,230,492,078.72 : 42,352,053,474.24 = 8,602,723,451.52 : x
2. Step 2: Convert to fraction form
   28,230,492,078.72/42,352,053,474.24 = 8,602,723,451.52/x
3. Step 3: Cross multiply
   28,230,492,078.72x = 42,352,053,474.24 × 8,602,723,451.52
4. Step 4: Simplify right side
   28,230,492,078.72x = 364,343,003,642,873,511,936
5. Step 5: Solve for x
   x = 364,343,003,642,873,511,936/28,230,492,078.72
6. Step 6: Final answer
   x = 12,906,009,665.96