Finding the Fourth Proportional to 101,054.33, 139,464.83 and 75,516.35

Step by Step Solution

1. Step 1: Write the proportion equation
   101,054.33 : 139,464.83 = 75,516.35 : x
2. Step 2: Convert to fraction form
   101,054.33/139,464.83 = 75,516.35/x
3. Step 3: Cross multiply
   101,054.33x = 139,464.83 × 75,516.35
4. Step 4: Simplify right side
   101,054.33x = 10,531,874,914.97
5. Step 5: Solve for x
   x = 10,531,874,914.97/101,054.33
6. Step 6: Final answer
   x = 104,219.93