Finding the Fourth Proportional to 104,618.56, 144,370.58 and 59,300.72

Step by Step Solution

1. Step 1: Write the proportion equation
   104,618.56 : 144,370.58 = 59,300.72 : x
2. Step 2: Convert to fraction form
   104,618.56/144,370.58 = 59,300.72/x
3. Step 3: Cross multiply
   104,618.56x = 144,370.58 × 59,300.72
4. Step 4: Simplify right side
   104,618.56x = 8,561,279,340.82
5. Step 5: Solve for x
   x = 8,561,279,340.82/104,618.56
6. Step 6: Final answer
   x = 81,833.27