Finding the Fourth Proportional to 100,397.59, 149,776.20 and 93,238.81

Step by Step Solution

1. Step 1: Write the proportion equation
   100,397.59 : 149,776.20 = 93,238.81 : x
2. Step 2: Convert to fraction form
   100,397.59/149,776.20 = 93,238.81/x
3. Step 3: Cross multiply
   100,397.59x = 149,776.20 × 93,238.81
4. Step 4: Simplify right side
   100,397.59x = 13,964,954,654.32
5. Step 5: Solve for x
   x = 13,964,954,654.32/100,397.59
6. Step 6: Final answer
   x = 139,096.51