Finding the Fourth Proportional to 106,061.40, 146,364.71 and 58,317.84

Step by Step Solution

1. Step 1: Write the proportion equation
   106,061.40 : 146,364.71 = 58,317.84 : x
2. Step 2: Convert to fraction form
   106,061.40/146,364.71 = 58,317.84/x
3. Step 3: Cross multiply
   106,061.40x = 146,364.71 × 58,317.84
4. Step 4: Simplify right side
   106,061.40x = 8,535,673,447.84
5. Step 5: Solve for x
   x = 8,535,673,447.84/106,061.40
6. Step 6: Final answer
   x = 80,478.60