Finding the Fourth Proportional to 70,781.57, 97,682.78 and 40,568.84

Step by Step Solution

1. Step 1: Write the proportion equation
   70,781.57 : 97,682.78 = 40,568.84 : x
2. Step 2: Convert to fraction form
   70,781.57/97,682.78 = 40,568.84/x
3. Step 3: Cross multiply
   70,781.57x = 97,682.78 × 40,568.84
4. Step 4: Simplify right side
   70,781.57x = 3,962,877,051.89
5. Step 5: Solve for x
   x = 3,962,877,051.89/70,781.57
6. Step 6: Final answer
   x = 55,987.41