Finding the Fourth Proportional to 92,574.84, 138,676.32 and 42,585.42

Step by Step Solution

1. Step 1: Write the proportion equation
   92,574.84 : 138,676.32 = 42,585.42 : x
2. Step 2: Convert to fraction form
   92,574.84/138,676.32 = 42,585.42/x
3. Step 3: Cross multiply
   92,574.84x = 138,676.32 × 42,585.42
4. Step 4: Simplify right side
   92,574.84x = 5,905,589,331.25
5. Step 5: Solve for x
   x = 5,905,589,331.25/92,574.84
6. Step 6: Final answer
   x = 63,792.60