Finding the Fourth Proportional to 78,250.16, 117,174.90 and 43,150.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,250.16 : 117,174.90 = 43,150.88 : x
2. Step 2: Convert to fraction form
   78,250.16/117,174.90 = 43,150.88/x
3. Step 3: Cross multiply
   78,250.16x = 117,174.90 × 43,150.88
4. Step 4: Simplify right side
   78,250.16x = 5,056,200,048.91
5. Step 5: Solve for x
   x = 5,056,200,048.91/78,250.16
6. Step 6: Final answer
   x = 64,615.84