Finding the Fourth Proportional to 126,109.45, 189,114.99 and 55,053.82

Step by Step Solution

1. Step 1: Write the proportion equation
   126,109.45 : 189,114.99 = 55,053.82 : x
2. Step 2: Convert to fraction form
   126,109.45/189,114.99 = 55,053.82/x
3. Step 3: Cross multiply
   126,109.45x = 189,114.99 × 55,053.82
4. Step 4: Simplify right side
   126,109.45x = 10,411,502,618.76
5. Step 5: Solve for x
   x = 10,411,502,618.76/126,109.45
6. Step 6: Final answer
   x = 82,559.26