Finding the Fourth Proportional to 104,848.15, 144,685.50 and 59,520.15

Step by Step Solution

1. Step 1: Write the proportion equation
   104,848.15 : 144,685.50 = 59,520.15 : x
2. Step 2: Convert to fraction form
   104,848.15/144,685.50 = 59,520.15/x
3. Step 3: Cross multiply
   104,848.15x = 144,685.50 × 59,520.15
4. Step 4: Simplify right side
   104,848.15x = 8,611,702,662.83
5. Step 5: Solve for x
   x = 8,611,702,662.83/104,848.15
6. Step 6: Final answer
   x = 82,135.00