Finding the Fourth Proportional to 73,973.36, 110,978.70 and 21,382.52

Step by Step Solution

1. Step 1: Write the proportion equation
   73,973.36 : 110,978.70 = 21,382.52 : x
2. Step 2: Convert to fraction form
   73,973.36/110,978.70 = 21,382.52/x
3. Step 3: Cross multiply
   73,973.36x = 110,978.70 × 21,382.52
4. Step 4: Simplify right side
   73,973.36x = 2,373,004,272.32
5. Step 5: Solve for x
   x = 2,373,004,272.32/73,973.36
6. Step 6: Final answer
   x = 32,079.17