Finding the Fourth Proportional to 105,807.67, 146,014.50 and 58,064.02

Step by Step Solution

1. Step 1: Write the proportion equation
   105,807.67 : 146,014.50 = 58,064.02 : x
2. Step 2: Convert to fraction form
   105,807.67/146,014.50 = 58,064.02/x
3. Step 3: Cross multiply
   105,807.67x = 146,014.50 × 58,064.02
4. Step 4: Simplify right side
   105,807.67x = 8,478,188,848.29
5. Step 5: Solve for x
   x = 8,478,188,848.29/105,807.67
6. Step 6: Final answer
   x = 80,128.30