Finding the Fourth Proportional to 104,662.31, 144,429.61 and 59,343.35

Step by Step Solution

1. Step 1: Write the proportion equation
   104,662.31 : 144,429.61 = 59,343.35 : x
2. Step 2: Convert to fraction form
   104,662.31/144,429.61 = 59,343.35/x
3. Step 3: Cross multiply
   104,662.31x = 144,429.61 × 59,343.35
4. Step 4: Simplify right side
   104,662.31x = 8,570,936,896.59
5. Step 5: Solve for x
   x = 8,570,936,896.59/104,662.31
6. Step 6: Final answer
   x = 81,891.34