Finding the Fourth Proportional to 107,145.72, 147,864.69 and 59,396.22

Step by Step Solution

1. Step 1: Write the proportion equation
   107,145.72 : 147,864.69 = 59,396.22 : x
2. Step 2: Convert to fraction form
   107,145.72/147,864.69 = 59,396.22/x
3. Step 3: Cross multiply
   107,145.72x = 147,864.69 × 59,396.22
4. Step 4: Simplify right side
   107,145.72x = 8,782,603,657.47
5. Step 5: Solve for x
   x = 8,782,603,657.47/107,145.72
6. Step 6: Final answer
   x = 81,968.78