Finding the Fourth Proportional to 73,685.35, 110,435.59 and 31,515.94

Step by Step Solution

1. Step 1: Write the proportion equation
   73,685.35 : 110,435.59 = 31,515.94 : x
2. Step 2: Convert to fraction form
   73,685.35/110,435.59 = 31,515.94/x
3. Step 3: Cross multiply
   73,685.35x = 110,435.59 × 31,515.94
4. Step 4: Simplify right side
   73,685.35x = 3,480,481,428.47
5. Step 5: Solve for x
   x = 3,480,481,428.47/73,685.35
6. Step 6: Final answer
   x = 47,234.37