Finding the Fourth Proportional to 59,835.39, 89,428.67 and 55,106.61

Step by Step Solution

1. Step 1: Write the proportion equation
   59,835.39 : 89,428.67 = 55,106.61 : x
2. Step 2: Convert to fraction form
   59,835.39/89,428.67 = 55,106.61/x
3. Step 3: Cross multiply
   59,835.39x = 89,428.67 × 55,106.61
4. Step 4: Simplify right side
   59,835.39x = 4,928,110,564.98
5. Step 5: Solve for x
   x = 4,928,110,564.98/59,835.39
6. Step 6: Final answer
   x = 82,361.13