Finding the Fourth Proportional to 106,667.76, 147,199.98 and 58,269.11

Step by Step Solution

1. Step 1: Write the proportion equation
   106,667.76 : 147,199.98 = 58,269.11 : x
2. Step 2: Convert to fraction form
   106,667.76/147,199.98 = 58,269.11/x
3. Step 3: Cross multiply
   106,667.76x = 147,199.98 × 58,269.11
4. Step 4: Simplify right side
   106,667.76x = 8,577,211,309.13
5. Step 5: Solve for x
   x = 8,577,211,309.13/106,667.76
6. Step 6: Final answer
   x = 80,410.53