Finding the Fourth Proportional to 105,877.64, 146,111.43 and 58,134.08

Step by Step Solution

1. Step 1: Write the proportion equation
   105,877.64 : 146,111.43 = 58,134.08 : x
2. Step 2: Convert to fraction form
   105,877.64/146,111.43 = 58,134.08/x
3. Step 3: Cross multiply
   105,877.64x = 146,111.43 × 58,134.08
4. Step 4: Simplify right side
   105,877.64x = 8,494,052,829.98
5. Step 5: Solve for x
   x = 8,494,052,829.98/105,877.64
6. Step 6: Final answer
   x = 80,225.18