Finding the Fourth Proportional to 78,519, 117,804.42 and 31,746.36

Step by Step Solution

1. Step 1: Write the proportion equation
   78,519 : 117,804.42 = 31,746.36 : x
2. Step 2: Convert to fraction form
   78,519/117,804.42 = 31,746.36/x
3. Step 3: Cross multiply
   78,519x = 117,804.42 × 31,746.36
4. Step 4: Simplify right side
   78,519x = 3,739,861,526.91
5. Step 5: Solve for x
   x = 3,739,861,526.91/78,519
6. Step 6: Final answer
   x = 47,630.02