Finding the Fourth Proportional to 60,770.70, 83,902.59 and 38,140.74

Step by Step Solution

1. Step 1: Write the proportion equation
   60,770.70 : 83,902.59 = 38,140.74 : x
2. Step 2: Convert to fraction form
   60,770.70/83,902.59 = 38,140.74/x
3. Step 3: Cross multiply
   60,770.70x = 83,902.59 × 38,140.74
4. Step 4: Simplify right side
   60,770.70x = 3,200,106,870.52
5. Step 5: Solve for x
   x = 3,200,106,870.52/60,770.70
6. Step 6: Final answer
   x = 52,658.71