Finding the Fourth Proportional to 106,856.46, 147,451.98 and 59,108.76

Step by Step Solution

1. Step 1: Write the proportion equation
   106,856.46 : 147,451.98 = 59,108.76 : x
2. Step 2: Convert to fraction form
   106,856.46/147,451.98 = 59,108.76/x
3. Step 3: Cross multiply
   106,856.46x = 147,451.98 × 59,108.76
4. Step 4: Simplify right side
   106,856.46x = 8,715,703,697.34
5. Step 5: Solve for x
   x = 8,715,703,697.34/106,856.46
6. Step 6: Final answer
   x = 81,564.59