Finding the Fourth Proportional to 126,075.53, 189,141.33 and 55,009.69

Step by Step Solution

1. Step 1: Write the proportion equation
   126,075.53 : 189,141.33 = 55,009.69 : x
2. Step 2: Convert to fraction form
   126,075.53/189,141.33 = 55,009.69/x
3. Step 3: Cross multiply
   126,075.53x = 189,141.33 × 55,009.69
4. Step 4: Simplify right side
   126,075.53x = 10,404,605,929.49
5. Step 5: Solve for x
   x = 10,404,605,929.49/126,075.53
6. Step 6: Final answer
   x = 82,526.77