Finding the Fourth Proportional to 115,802.50, 173,994.18 and 73,700.74

Step by Step Solution

1. Step 1: Write the proportion equation
   115,802.50 : 173,994.18 = 73,700.74 : x
2. Step 2: Convert to fraction form
   115,802.50/173,994.18 = 73,700.74/x
3. Step 3: Cross multiply
   115,802.50x = 173,994.18 × 73,700.74
4. Step 4: Simplify right side
   115,802.50x = 12,823,499,821.69
5. Step 5: Solve for x
   x = 12,823,499,821.69/115,802.50
6. Step 6: Final answer
   x = 110,735.95