Finding the Fourth Proportional to 106,259.82, 146,638.54 and 58,513.05

Step by Step Solution

1. Step 1: Write the proportion equation
   106,259.82 : 146,638.54 = 58,513.05 : x
2. Step 2: Convert to fraction form
   106,259.82/146,638.54 = 58,513.05/x
3. Step 3: Cross multiply
   106,259.82x = 146,638.54 × 58,513.05
4. Step 4: Simplify right side
   106,259.82x = 8,580,268,076.66
5. Step 5: Solve for x
   x = 8,580,268,076.66/106,259.82
6. Step 6: Final answer
   x = 80,748.00