Finding the Fourth Proportional to 75,870.42, 104,693.22 and 41,878.31

Step by Step Solution

1. Step 1: Write the proportion equation
   75,870.42 : 104,693.22 = 41,878.31 : x
2. Step 2: Convert to fraction form
   75,870.42/104,693.22 = 41,878.31/x
3. Step 3: Cross multiply
   75,870.42x = 104,693.22 × 41,878.31
4. Step 4: Simplify right side
   75,870.42x = 4,384,374,598.59
5. Step 5: Solve for x
   x = 4,384,374,598.59/75,870.42
6. Step 6: Final answer
   x = 57,787.67