Finding the Fourth Proportional to 77,996.58, 107,635.00 and 42,186.59

Step by Step Solution

1. Step 1: Write the proportion equation
   77,996.58 : 107,635.00 = 42,186.59 : x
2. Step 2: Convert to fraction form
   77,996.58/107,635.00 = 42,186.59/x
3. Step 3: Cross multiply
   77,996.58x = 107,635.00 × 42,186.59
4. Step 4: Simplify right side
   77,996.58x = 4,540,753,495.67
5. Step 5: Solve for x
   x = 4,540,753,495.67/77,996.58
6. Step 6: Final answer
   x = 58,217.34