Finding the Fourth Proportional to 43,028.02, 64,549.55 and 19,656.82

Step by Step Solution

1. Step 1: Write the proportion equation
   43,028.02 : 64,549.55 = 19,656.82 : x
2. Step 2: Convert to fraction form
   43,028.02/64,549.55 = 19,656.82/x
3. Step 3: Cross multiply
   43,028.02x = 64,549.55 × 19,656.82
4. Step 4: Simplify right side
   43,028.02x = 1,268,838,885.43
5. Step 5: Solve for x
   x = 1,268,838,885.43/43,028.02
6. Step 6: Final answer
   x = 29,488.67