Finding the Fourth Proportional to 108,153, 149,250.78 and 60,406.36

Step by Step Solution

1. Step 1: Write the proportion equation
   108,153 : 149,250.78 = 60,406.36 : x
2. Step 2: Convert to fraction form
   108,153/149,250.78 = 60,406.36/x
3. Step 3: Cross multiply
   108,153x = 149,250.78 × 60,406.36
4. Step 4: Simplify right side
   108,153x = 9,015,696,346.96
5. Step 5: Solve for x
   x = 9,015,696,346.96/108,153
6. Step 6: Final answer
   x = 83,360.58