Finding the Fourth Proportional to 106,018.63, 146,303.82 and 58,271.96

Step by Step Solution

1. Step 1: Write the proportion equation
   106,018.63 : 146,303.82 = 58,271.96 : x
2. Step 2: Convert to fraction form
   106,018.63/146,303.82 = 58,271.96/x
3. Step 3: Cross multiply
   106,018.63x = 146,303.82 × 58,271.96
4. Step 4: Simplify right side
   106,018.63x = 8,525,410,346.89
5. Step 5: Solve for x
   x = 8,525,410,346.89/106,018.63
6. Step 6: Final answer
   x = 80,414.27