Finding the Fourth Proportional to 92,576.84, 138,679.32 and 42,587.42

Step by Step Solution

1. Step 1: Write the proportion equation
   92,576.84 : 138,679.32 = 42,587.42 : x
2. Step 2: Convert to fraction form
   92,576.84/138,679.32 = 42,587.42/x
3. Step 3: Cross multiply
   92,576.84x = 138,679.32 × 42,587.42
4. Step 4: Simplify right side
   92,576.84x = 5,905,994,446.15
5. Step 5: Solve for x
   x = 5,905,994,446.15/92,576.84
6. Step 6: Final answer
   x = 63,795.59