Finding the Fourth Proportional to 78,886.37, 118,376.38 and 31,523.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,886.37 : 118,376.38 = 31,523.83 : x
2. Step 2: Convert to fraction form
   78,886.37/118,376.38 = 31,523.83/x
3. Step 3: Cross multiply
   78,886.37x = 118,376.38 × 31,523.83
4. Step 4: Simplify right side
   78,886.37x = 3,731,676,879.14
5. Step 5: Solve for x
   x = 3,731,676,879.14/78,886.37
6. Step 6: Final answer
   x = 47,304.46