Finding the Fourth Proportional to 107,665.05, 148,575.78 and 59,917.98

Step by Step Solution

1. Step 1: Write the proportion equation
   107,665.05 : 148,575.78 = 59,917.98 : x
2. Step 2: Convert to fraction form
   107,665.05/148,575.78 = 59,917.98/x
3. Step 3: Cross multiply
   107,665.05x = 148,575.78 × 59,917.98
4. Step 4: Simplify right side
   107,665.05x = 8,902,360,614.52
5. Step 5: Solve for x
   x = 8,902,360,614.52/107,665.05
6. Step 6: Final answer
   x = 82,685.71