Finding the Fourth Proportional to 43,048.04, 64,529.94 and 21,978.32

Step by Step Solution

1. Step 1: Write the proportion equation
   43,048.04 : 64,529.94 = 21,978.32 : x
2. Step 2: Convert to fraction form
   43,048.04/64,529.94 = 21,978.32/x
3. Step 3: Cross multiply
   43,048.04x = 64,529.94 × 21,978.32
4. Step 4: Simplify right side
   43,048.04x = 1,418,259,670.90
5. Step 5: Solve for x
   x = 1,418,259,670.90/43,048.04
6. Step 6: Final answer
   x = 32,945.98