Finding the Fourth Proportional to 94,968.42, 142,460.12 and 31,788.91

Step by Step Solution

1. Step 1: Write the proportion equation
   94,968.42 : 142,460.12 = 31,788.91 : x
2. Step 2: Convert to fraction form
   94,968.42/142,460.12 = 31,788.91/x
3. Step 3: Cross multiply
   94,968.42x = 142,460.12 × 31,788.91
4. Step 4: Simplify right side
   94,968.42x = 4,528,651,933.27
5. Step 5: Solve for x
   x = 4,528,651,933.27/94,968.42
6. Step 6: Final answer
   x = 47,685.87