Finding the Fourth Proportional to 105,848.89, 146,070.58 and 58,099.39

Step by Step Solution

1. Step 1: Write the proportion equation
   105,848.89 : 146,070.58 = 58,099.39 : x
2. Step 2: Convert to fraction form
   105,848.89/146,070.58 = 58,099.39/x
3. Step 3: Cross multiply
   105,848.89x = 146,070.58 × 58,099.39
4. Step 4: Simplify right side
   105,848.89x = 8,486,611,084.52
5. Step 5: Solve for x
   x = 8,486,611,084.52/105,848.89
6. Step 6: Final answer
   x = 80,176.67