Finding the Fourth Proportional to 106,411.42, 146,848.72 and 58,666.46

Step by Step Solution

1. Step 1: Write the proportion equation
   106,411.42 : 146,848.72 = 58,666.46 : x
2. Step 2: Convert to fraction form
   106,411.42/146,848.72 = 58,666.46/x
3. Step 3: Cross multiply
   106,411.42x = 146,848.72 × 58,666.46
4. Step 4: Simplify right side
   106,411.42x = 8,615,094,557.93
5. Step 5: Solve for x
   x = 8,615,094,557.93/106,411.42
6. Step 6: Final answer
   x = 80,960.24