Finding the Fourth Proportional to 83,748, 125,679.60 and 34,500

Step by Step Solution

1. Step 1: Write the proportion equation
   83,748 : 125,679.60 = 34,500 : x
2. Step 2: Convert to fraction form
   83,748/125,679.60 = 34,500/x
3. Step 3: Cross multiply
   83,748x = 125,679.60 × 34,500
4. Step 4: Simplify right side
   83,748x = 4,335,946,200
5. Step 5: Solve for x
   x = 4,335,946,200/83,748
6. Step 6: Final answer
   x = 51,773.73