Finding the Fourth Proportional to 107,239.18, 147,978.06 and 59,480.56

Step by Step Solution

1. Step 1: Write the proportion equation
   107,239.18 : 147,978.06 = 59,480.56 : x
2. Step 2: Convert to fraction form
   107,239.18/147,978.06 = 59,480.56/x
3. Step 3: Cross multiply
   107,239.18x = 147,978.06 × 59,480.56
4. Step 4: Simplify right side
   107,239.18x = 8,801,817,876.51
5. Step 5: Solve for x
   x = 8,801,817,876.51/107,239.18
6. Step 6: Final answer
   x = 82,076.51