Finding the Fourth Proportional to 78,899.25, 108,881.82 and 43,090.30

Step by Step Solution

1. Step 1: Write the proportion equation
   78,899.25 : 108,881.82 = 43,090.30 : x
2. Step 2: Convert to fraction form
   78,899.25/108,881.82 = 43,090.30/x
3. Step 3: Cross multiply
   78,899.25x = 108,881.82 × 43,090.30
4. Step 4: Simplify right side
   78,899.25x = 4,691,750,288.35
5. Step 5: Solve for x
   x = 4,691,750,288.35/78,899.25
6. Step 6: Final answer
   x = 59,465.08