Finding the Fourth Proportional to 83,156.78, 114,723.78 and 51,270.32

Step by Step Solution

1. Step 1: Write the proportion equation
   83,156.78 : 114,723.78 = 51,270.32 : x
2. Step 2: Convert to fraction form
   83,156.78/114,723.78 = 51,270.32/x
3. Step 3: Cross multiply
   83,156.78x = 114,723.78 × 51,270.32
4. Step 4: Simplify right side
   83,156.78x = 5,881,924,338.59
5. Step 5: Solve for x
   x = 5,881,924,338.59/83,156.78
6. Step 6: Final answer
   x = 70,732.95