Finding the Fourth Proportional to 104,621.56, 144,374.72 and 59,303.72

Step by Step Solution

1. Step 1: Write the proportion equation
   104,621.56 : 144,374.72 = 59,303.72 : x
2. Step 2: Convert to fraction form
   104,621.56/144,374.72 = 59,303.72/x
3. Step 3: Cross multiply
   104,621.56x = 144,374.72 × 59,303.72
4. Step 4: Simplify right side
   104,621.56x = 8,561,957,969.96
5. Step 5: Solve for x
   x = 8,561,957,969.96/104,621.56
6. Step 6: Final answer
   x = 81,837.41