Finding the Fourth Proportional to 60,419.61, 83,419.39 and 37,790.64

Step by Step Solution

1. Step 1: Write the proportion equation
   60,419.61 : 83,419.39 = 37,790.64 : x
2. Step 2: Convert to fraction form
   60,419.61/83,419.39 = 37,790.64/x
3. Step 3: Cross multiply
   60,419.61x = 83,419.39 × 37,790.64
4. Step 4: Simplify right side
   60,419.61x = 3,152,472,136.51
5. Step 5: Solve for x
   x = 3,152,472,136.51/60,419.61
6. Step 6: Final answer
   x = 52,176.31