Finding the Fourth Proportional to 126,075.54, 189,141.34 and 55,009.68

Step by Step Solution

1. Step 1: Write the proportion equation
   126,075.54 : 189,141.34 = 55,009.68 : x
2. Step 2: Convert to fraction form
   126,075.54/189,141.34 = 55,009.68/x
3. Step 3: Cross multiply
   126,075.54x = 189,141.34 × 55,009.68
4. Step 4: Simplify right side
   126,075.54x = 10,404,604,588.17
5. Step 5: Solve for x
   x = 10,404,604,588.17/126,075.54
6. Step 6: Final answer
   x = 82,526.75