Finding the Fourth Proportional to 106,433.82, 146,875.86 and 58,686.36

Step by Step Solution

1. Step 1: Write the proportion equation
   106,433.82 : 146,875.86 = 58,686.36 : x
2. Step 2: Convert to fraction form
   106,433.82/146,875.86 = 58,686.36/x
3. Step 3: Cross multiply
   106,433.82x = 146,875.86 × 58,686.36
4. Step 4: Simplify right side
   106,433.82x = 8,619,609,595.27
5. Step 5: Solve for x
   x = 8,619,609,595.27/106,433.82
6. Step 6: Final answer
   x = 80,985.63