Finding the Fourth Proportional to 70,003.05, 105,004.12 and 41,931.08

Step by Step Solution

1. Step 1: Write the proportion equation
   70,003.05 : 105,004.12 = 41,931.08 : x
2. Step 2: Convert to fraction form
   70,003.05/105,004.12 = 41,931.08/x
3. Step 3: Cross multiply
   70,003.05x = 105,004.12 × 41,931.08
4. Step 4: Simplify right side
   70,003.05x = 4,402,936,156.05
5. Step 5: Solve for x
   x = 4,402,936,156.05/70,003.05
6. Step 6: Final answer
   x = 62,896.35