Finding the Fourth Proportional to 70,513.72, 105,671.13 and 38,938.00

Step by Step Solution

1. Step 1: Write the proportion equation
   70,513.72 : 105,671.13 = 38,938.00 : x
2. Step 2: Convert to fraction form
   70,513.72/105,671.13 = 38,938.00/x
3. Step 3: Cross multiply
   70,513.72x = 105,671.13 × 38,938.00
4. Step 4: Simplify right side
   70,513.72x = 4,114,622,244.00
5. Step 5: Solve for x
   x = 4,114,622,244.00/70,513.72
6. Step 6: Final answer
   x = 58,352.08