Finding the Fourth Proportional to 86,543.82, 119,432.61 and 48,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,543.82 : 119,432.61 = 48,820.50 : x
2. Step 2: Convert to fraction form
   86,543.82/119,432.61 = 48,820.50/x
3. Step 3: Cross multiply
   86,543.82x = 119,432.61 × 48,820.50
4. Step 4: Simplify right side
   86,543.82x = 5,830,759,736.51
5. Step 5: Solve for x
   x = 5,830,759,736.51/86,543.82
6. Step 6: Final answer
   x = 67,373.50