Finding the Fourth Proportional to 106,100.72, 146,422.08 and 58,357.16

Step by Step Solution

1. Step 1: Write the proportion equation
   106,100.72 : 146,422.08 = 58,357.16 : x
2. Step 2: Convert to fraction form
   106,100.72/146,422.08 = 58,357.16/x
3. Step 3: Cross multiply
   106,100.72x = 146,422.08 × 58,357.16
4. Step 4: Simplify right side
   106,100.72x = 8,544,776,017.98
5. Step 5: Solve for x
   x = 8,544,776,017.98/106,100.72
6. Step 6: Final answer
   x = 80,534.58