Finding the Fourth Proportional to 12,054,016,587.18, 16,635,473,409.46 and 7,231,562,185.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,054,016,587.18 : 16,635,473,409.46 = 7,231,562,185.18 : x
2. Step 2: Convert to fraction form
   12,054,016,587.18/16,635,473,409.46 = 7,231,562,185.18/x
3. Step 3: Cross multiply
   12,054,016,587.18x = 16,635,473,409.46 × 7,231,562,185.18
4. Step 4: Simplify right side
   12,054,016,587.18x = 120,300,460,440,423,776,256
5. Step 5: Solve for x
   x = 120,300,460,440,423,776,256/12,054,016,587.18
6. Step 6: Final answer
   x = 9,980,114,061.60