Finding the Fourth Proportional to 78,231.63, 117,300.59 and 24,900.57

Step by Step Solution

1. Step 1: Write the proportion equation
   78,231.63 : 117,300.59 = 24,900.57 : x
2. Step 2: Convert to fraction form
   78,231.63/117,300.59 = 24,900.57/x
3. Step 3: Cross multiply
   78,231.63x = 117,300.59 × 24,900.57
4. Step 4: Simplify right side
   78,231.63x = 2,920,851,552.34
5. Step 5: Solve for x
   x = 2,920,851,552.34/78,231.63
6. Step 6: Final answer
   x = 37,335.94