Finding the Fourth Proportional to 42,681.78, 58,898.48 and 23,820.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,681.78 : 58,898.48 = 23,820.12 : x
2. Step 2: Convert to fraction form
   42,681.78/58,898.48 = 23,820.12/x
3. Step 3: Cross multiply
   42,681.78x = 58,898.48 × 23,820.12
4. Step 4: Simplify right side
   42,681.78x = 1,402,968,742.32
5. Step 5: Solve for x
   x = 1,402,968,742.32/42,681.78
6. Step 6: Final answer
   x = 32,870.44