Finding the Fourth Proportional to 106,076.72, 146,386.32 and 58,328.96

Step by Step Solution

1. Step 1: Write the proportion equation
   106,076.72 : 146,386.32 = 58,328.96 : x
2. Step 2: Convert to fraction form
   106,076.72/146,386.32 = 58,328.96/x
3. Step 3: Cross multiply
   106,076.72x = 146,386.32 × 58,328.96
4. Step 4: Simplify right side
   106,076.72x = 8,538,561,803.83
5. Step 5: Solve for x
   x = 8,538,561,803.83/106,076.72
6. Step 6: Final answer
   x = 80,494.21