Finding the Fourth Proportional to 139,116.41, 191,789.74 and 93,158.09

Step by Step Solution

1. Step 1: Write the proportion equation
   139,116.41 : 191,789.74 = 93,158.09 : x
2. Step 2: Convert to fraction form
   139,116.41/191,789.74 = 93,158.09/x
3. Step 3: Cross multiply
   139,116.41x = 191,789.74 × 93,158.09
4. Step 4: Simplify right side
   139,116.41x = 17,866,765,860.00
5. Step 5: Solve for x
   x = 17,866,765,860.00/139,116.41
6. Step 6: Final answer
   x = 128,430.33