Finding the Fourth Proportional to 78,587.42, 108,473.54 and 51,367.46

Step by Step Solution

1. Step 1: Write the proportion equation
   78,587.42 : 108,473.54 = 51,367.46 : x
2. Step 2: Convert to fraction form
   78,587.42/108,473.54 = 51,367.46/x
3. Step 3: Cross multiply
   78,587.42x = 108,473.54 × 51,367.46
4. Step 4: Simplify right side
   78,587.42x = 5,572,009,427.80
5. Step 5: Solve for x
   x = 5,572,009,427.80/78,587.42
6. Step 6: Final answer
   x = 70,902.06