Finding the Fourth Proportional to 123,527.12, 185,262.72 and 73,621.40

Step by Step Solution

1. Step 1: Write the proportion equation
   123,527.12 : 185,262.72 = 73,621.40 : x
2. Step 2: Convert to fraction form
   123,527.12/185,262.72 = 73,621.40/x
3. Step 3: Cross multiply
   123,527.12x = 185,262.72 × 73,621.40
4. Step 4: Simplify right side
   123,527.12x = 13,639,300,814.21
5. Step 5: Solve for x
   x = 13,639,300,814.21/123,527.12
6. Step 6: Final answer
   x = 110,415.44