Finding the Fourth Proportional to 42,699.72, 58,920.12 and 23,837.64

Step by Step Solution

1. Step 1: Write the proportion equation
   42,699.72 : 58,920.12 = 23,837.64 : x
2. Step 2: Convert to fraction form
   42,699.72/58,920.12 = 23,837.64/x
3. Step 3: Cross multiply
   42,699.72x = 58,920.12 × 23,837.64
4. Step 4: Simplify right side
   42,699.72x = 1,404,516,609.32
5. Step 5: Solve for x
   x = 1,404,516,609.32/42,699.72
6. Step 6: Final answer
   x = 32,892.88