Finding the Fourth Proportional to 74,698.52, 103,081.34 and 40,706.31

Step by Step Solution

1. Step 1: Write the proportion equation
   74,698.52 : 103,081.34 = 40,706.31 : x
2. Step 2: Convert to fraction form
   74,698.52/103,081.34 = 40,706.31/x
3. Step 3: Cross multiply
   74,698.52x = 103,081.34 × 40,706.31
4. Step 4: Simplify right side
   74,698.52x = 4,196,060,777.72
5. Step 5: Solve for x
   x = 4,196,060,777.72/74,698.52
6. Step 6: Final answer
   x = 56,173.28