Finding the Fourth Proportional to 105,873.60, 146,105.82 and 58,130.01

Step by Step Solution

1. Step 1: Write the proportion equation
   105,873.60 : 146,105.82 = 58,130.01 : x
2. Step 2: Convert to fraction form
   105,873.60/146,105.82 = 58,130.01/x
3. Step 3: Cross multiply
   105,873.60x = 146,105.82 × 58,130.01
4. Step 4: Simplify right side
   105,873.60x = 8,493,132,777.66
5. Step 5: Solve for x
   x = 8,493,132,777.66/105,873.60
6. Step 6: Final answer
   x = 80,219.55