Finding the Fourth Proportional to 106,814.55, 147,397.89 and 59,064.78

Step by Step Solution

1. Step 1: Write the proportion equation
   106,814.55 : 147,397.89 = 59,064.78 : x
2. Step 2: Convert to fraction form
   106,814.55/147,397.89 = 59,064.78/x
3. Step 3: Cross multiply
   106,814.55x = 147,397.89 × 59,064.78
4. Step 4: Simplify right side
   106,814.55x = 8,706,023,945.31
5. Step 5: Solve for x
   x = 8,706,023,945.31/106,814.55
6. Step 6: Final answer
   x = 81,505.97