Finding the Fourth Proportional to 67,931.78, 93,746.94 and 37,719.05

Step by Step Solution

1. Step 1: Write the proportion equation
   67,931.78 : 93,746.94 = 37,719.05 : x
2. Step 2: Convert to fraction form
   67,931.78/93,746.94 = 37,719.05/x
3. Step 3: Cross multiply
   67,931.78x = 93,746.94 × 37,719.05
4. Step 4: Simplify right side
   67,931.78x = 3,536,045,517.21
5. Step 5: Solve for x
   x = 3,536,045,517.21/67,931.78
6. Step 6: Final answer
   x = 52,052.89