Finding the Fourth Proportional to 42,643.98, 58,849.47 and 23,779.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,643.98 : 58,849.47 = 23,779.08 : x
2. Step 2: Convert to fraction form
   42,643.98/58,849.47 = 23,779.08/x
3. Step 3: Cross multiply
   42,643.98x = 58,849.47 × 23,779.08
4. Step 4: Simplify right side
   42,643.98x = 1,399,386,255.09
5. Step 5: Solve for x
   x = 1,399,386,255.09/42,643.98
6. Step 6: Final answer
   x = 32,815.56