Finding the Fourth Proportional to 106,564.60, 147,060.72 and 58,819.96

Step by Step Solution

1. Step 1: Write the proportion equation
   106,564.60 : 147,060.72 = 58,819.96 : x
2. Step 2: Convert to fraction form
   106,564.60/147,060.72 = 58,819.96/x
3. Step 3: Cross multiply
   106,564.60x = 147,060.72 × 58,819.96
4. Step 4: Simplify right side
   106,564.60x = 8,650,105,667.97
5. Step 5: Solve for x
   x = 8,650,105,667.97/106,564.60
6. Step 6: Final answer
   x = 81,172.41