Finding the Fourth Proportional to 70,426.31, 105,520.67 and 34,840.18

Step by Step Solution

1. Step 1: Write the proportion equation
   70,426.31 : 105,520.67 = 34,840.18 : x
2. Step 2: Convert to fraction form
   70,426.31/105,520.67 = 34,840.18/x
3. Step 3: Cross multiply
   70,426.31x = 105,520.67 × 34,840.18
4. Step 4: Simplify right side
   70,426.31x = 3,676,358,827.29
5. Step 5: Solve for x
   x = 3,676,358,827.29/70,426.31
6. Step 6: Final answer
   x = 52,201.50