Finding the Fourth Proportional to 106,054.49, 146,354.83 and 58,307.69

Step by Step Solution

1. Step 1: Write the proportion equation
   106,054.49 : 146,354.83 = 58,307.69 : x
2. Step 2: Convert to fraction form
   106,054.49/146,354.83 = 58,307.69/x
3. Step 3: Cross multiply
   106,054.49x = 146,354.83 × 58,307.69
4. Step 4: Simplify right side
   106,054.49x = 8,533,611,180.10
5. Step 5: Solve for x
   x = 8,533,611,180.10/106,054.49
6. Step 6: Final answer
   x = 80,464.41