Finding the Fourth Proportional to 106,279.98, 146,667.42 and 58,534.80

Step by Step Solution

1. Step 1: Write the proportion equation
   106,279.98 : 146,667.42 = 58,534.80 : x
2. Step 2: Convert to fraction form
   106,279.98/146,667.42 = 58,534.80/x
3. Step 3: Cross multiply
   106,279.98x = 146,667.42 × 58,534.80
4. Step 4: Simplify right side
   106,279.98x = 8,585,148,096.22
5. Step 5: Solve for x
   x = 8,585,148,096.22/106,279.98
6. Step 6: Final answer
   x = 80,778.60