Finding the Fourth Proportional to 103,870.58, 143,583.54 and 92,651.27

Step by Step Solution

1. Step 1: Write the proportion equation
   103,870.58 : 143,583.54 = 92,651.27 : x
2. Step 2: Convert to fraction form
   103,870.58/143,583.54 = 92,651.27/x
3. Step 3: Cross multiply
   103,870.58x = 143,583.54 × 92,651.27
4. Step 4: Simplify right side
   103,870.58x = 13,303,196,670.56
5. Step 5: Solve for x
   x = 13,303,196,670.56/103,870.58
6. Step 6: Final answer
   x = 128,074.73