Finding the Fourth Proportional to 56,896.59, 78,517.26 and 31,746.09

Step by Step Solution

1. Step 1: Write the proportion equation
   56,896.59 : 78,517.26 = 31,746.09 : x
2. Step 2: Convert to fraction form
   56,896.59/78,517.26 = 31,746.09/x
3. Step 3: Cross multiply
   56,896.59x = 78,517.26 × 31,746.09
4. Step 4: Simplify right side
   56,896.59x = 2,492,616,002.51
5. Step 5: Solve for x
   x = 2,492,616,002.51/56,896.59
6. Step 6: Final answer
   x = 43,809.59