Finding the Fourth Proportional to 84,856.76, 117,089.33 and 49,039.86

Step by Step Solution

1. Step 1: Write the proportion equation
   84,856.76 : 117,089.33 = 49,039.86 : x
2. Step 2: Convert to fraction form
   84,856.76/117,089.33 = 49,039.86/x
3. Step 3: Cross multiply
   84,856.76x = 117,089.33 × 49,039.86
4. Step 4: Simplify right side
   84,856.76x = 5,742,044,820.43
5. Step 5: Solve for x
   x = 5,742,044,820.43/84,856.76
6. Step 6: Final answer
   x = 67,667.50