Finding the Fourth Proportional to 92,443.42, 138,553.68 and 42,454.54

Step by Step Solution

1. Step 1: Write the proportion equation
   92,443.42 : 138,553.68 = 42,454.54 : x
2. Step 2: Convert to fraction form
   92,443.42/138,553.68 = 42,454.54/x
3. Step 3: Cross multiply
   92,443.42x = 138,553.68 × 42,454.54
4. Step 4: Simplify right side
   92,443.42x = 5,882,232,749.71
5. Step 5: Solve for x
   x = 5,882,232,749.71/92,443.42
6. Step 6: Final answer
   x = 63,630.63