Finding the Fourth Proportional to 43,051.69, 64,592.12 and 19,356.76

Step by Step Solution

1. Step 1: Write the proportion equation
   43,051.69 : 64,592.12 = 19,356.76 : x
2. Step 2: Convert to fraction form
   43,051.69/64,592.12 = 19,356.76/x
3. Step 3: Cross multiply
   43,051.69x = 64,592.12 × 19,356.76
4. Step 4: Simplify right side
   43,051.69x = 1,250,294,164.73
5. Step 5: Solve for x
   x = 1,250,294,164.73/43,051.69
6. Step 6: Final answer
   x = 29,041.70