Finding the Fourth Proportional to 105,877.57, 146,111.34 and 58,134.01

Step by Step Solution

1. Step 1: Write the proportion equation
   105,877.57 : 146,111.34 = 58,134.01 : x
2. Step 2: Convert to fraction form
   105,877.57/146,111.34 = 58,134.01/x
3. Step 3: Cross multiply
   105,877.57x = 146,111.34 × 58,134.01
4. Step 4: Simplify right side
   105,877.57x = 8,494,038,100.67
5. Step 5: Solve for x
   x = 8,494,038,100.67/105,877.57
6. Step 6: Final answer
   x = 80,225.09