Finding the Fourth Proportional to 73,426.32, 110,142.72 and 73,322.64

Step by Step Solution

1. Step 1: Write the proportion equation
   73,426.32 : 110,142.72 = 73,322.64 : x
2. Step 2: Convert to fraction form
   73,426.32/110,142.72 = 73,322.64/x
3. Step 3: Cross multiply
   73,426.32x = 110,142.72 × 73,322.64
4. Step 4: Simplify right side
   73,426.32x = 8,075,955,007.18
5. Step 5: Solve for x
   x = 8,075,955,007.18/73,426.32
6. Step 6: Final answer
   x = 109,987.20