Finding the Fourth Proportional to 86,158.61, 118,881.30 and 50,341.69

Step by Step Solution

1. Step 1: Write the proportion equation
   86,158.61 : 118,881.30 = 50,341.69 : x
2. Step 2: Convert to fraction form
   86,158.61/118,881.30 = 50,341.69/x
3. Step 3: Cross multiply
   86,158.61x = 118,881.30 × 50,341.69
4. Step 4: Simplify right side
   86,158.61x = 5,984,685,888.78
5. Step 5: Solve for x
   x = 5,984,685,888.78/86,158.61
6. Step 6: Final answer
   x = 69,461.26