Finding the Fourth Proportional to 86,900.06, 119,924.61 and 49,173.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,900.06 : 119,924.61 = 49,173.50 : x
2. Step 2: Convert to fraction form
   86,900.06/119,924.61 = 49,173.50/x
3. Step 3: Cross multiply
   86,900.06x = 119,924.61 × 49,173.50
4. Step 4: Simplify right side
   86,900.06x = 5,897,112,809.84
5. Step 5: Solve for x
   x = 5,897,112,809.84/86,900.06
6. Step 6: Final answer
   x = 67,860.86