Finding the Fourth Proportional to 72,227,357.63, 108,277,262.82 and 55,263,760.91

Step by Step Solution

1. Step 1: Write the proportion equation
   72,227,357.63 : 108,277,262.82 = 55,263,760.91 : x
2. Step 2: Convert to fraction form
   72,227,357.63/108,277,262.82 = 55,263,760.91/x
3. Step 3: Cross multiply
   72,227,357.63x = 108,277,262.82 × 55,263,760.91
4. Step 4: Simplify right side
   72,227,357.63x = 5,983,808,763,932,326
5. Step 5: Solve for x
   x = 5,983,808,763,932,326/72,227,357.63
6. Step 6: Final answer
   x = 82,846,845.86