Finding the Fourth Proportional to 42,678.12, 58,895.80 and 23,557.89

Step by Step Solution

1. Step 1: Write the proportion equation
   42,678.12 : 58,895.80 = 23,557.89 : x
2. Step 2: Convert to fraction form
   42,678.12/58,895.80 = 23,557.89/x
3. Step 3: Cross multiply
   42,678.12x = 58,895.80 × 23,557.89
4. Step 4: Simplify right side
   42,678.12x = 1,387,460,749.34
5. Step 5: Solve for x
   x = 1,387,460,749.34/42,678.12
6. Step 6: Final answer
   x = 32,509.88