Finding the Fourth Proportional to 60,613.61, 83,639.42 and 34,770.81

Step by Step Solution

1. Step 1: Write the proportion equation
   60,613.61 : 83,639.42 = 34,770.81 : x
2. Step 2: Convert to fraction form
   60,613.61/83,639.42 = 34,770.81/x
3. Step 3: Cross multiply
   60,613.61x = 83,639.42 × 34,770.81
4. Step 4: Simplify right side
   60,613.61x = 2,908,210,651.51
5. Step 5: Solve for x
   x = 2,908,210,651.51/60,613.61
6. Step 6: Final answer
   x = 47,979.50