Finding the Fourth Proportional to 296,686.35, 445,023.37 and 72,047.96

Step by Step Solution

1. Step 1: Write the proportion equation
   296,686.35 : 445,023.37 = 72,047.96 : x
2. Step 2: Convert to fraction form
   296,686.35/445,023.37 = 72,047.96/x
3. Step 3: Cross multiply
   296,686.35x = 445,023.37 × 72,047.96
4. Step 4: Simplify right side
   296,686.35x = 32,063,025,089.34
5. Step 5: Solve for x
   x = 32,063,025,089.34/296,686.35
6. Step 6: Final answer
   x = 108,070.44