Finding the Fourth Proportional to 78,408.27, 108,204.57 and 42,598.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,408.27 : 108,204.57 = 42,598.98 : x
2. Step 2: Convert to fraction form
   78,408.27/108,204.57 = 42,598.98/x
3. Step 3: Cross multiply
   78,408.27x = 108,204.57 × 42,598.98
4. Step 4: Simplify right side
   78,408.27x = 4,609,404,313.34
5. Step 5: Solve for x
   x = 4,609,404,313.34/78,408.27
6. Step 6: Final answer
   x = 58,787.22