Finding the Fourth Proportional to 105,831,673.27, 146,051,803.28 and 58,792,308.57

Step by Step Solution

1. Step 1: Write the proportion equation
   105,831,673.27 : 146,051,803.28 = 58,792,308.57 : x
2. Step 2: Convert to fraction form
   105,831,673.27/146,051,803.28 = 58,792,308.57/x
3. Step 3: Cross multiply
   105,831,673.27x = 146,051,803.28 × 58,792,308.57
4. Step 4: Simplify right side
   105,831,673.27x = 8,586,722,685,789,679
5. Step 5: Solve for x
   x = 8,586,722,685,789,679/105,831,673.27
6. Step 6: Final answer
   x = 81,135,660.25