Finding the Fourth Proportional to 19,904,280,111.96, 27,467,725,065.42 and 10,872,036,771.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,904,280,111.96 : 27,467,725,065.42 = 10,872,036,771.72 : x
2. Step 2: Convert to fraction form
   19,904,280,111.96/27,467,725,065.42 = 10,872,036,771.72/x
3. Step 3: Cross multiply
   19,904,280,111.96x = 27,467,725,065.42 × 10,872,036,771.72
4. Step 4: Simplify right side
   19,904,280,111.96x = 298,630,116,946,741,362,688
5. Step 5: Solve for x
   x = 298,630,116,946,741,362,688/19,904,280,111.96
6. Step 6: Final answer
   x = 15,003,311,612.73