Finding the Fourth Proportional to 13,055,103.55, 18,016,474.83 and 7,174,946.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,055,103.55 : 18,016,474.83 = 7,174,946.16 : x
2. Step 2: Convert to fraction form
   13,055,103.55/18,016,474.83 = 7,174,946.16/x
3. Step 3: Cross multiply
   13,055,103.55x = 18,016,474.83 × 7,174,946.16
4. Step 4: Simplify right side
   13,055,103.55x = 129,267,236,808,162.77
5. Step 5: Solve for x
   x = 129,267,236,808,162.77/13,055,103.55
6. Step 6: Final answer
   x = 9,901,663.08