Finding the Fourth Proportional to 149,349, 206,100.76 and 81,365.83

Step by Step Solution

1. Step 1: Write the proportion equation
   149,349 : 206,100.76 = 81,365.83 : x
2. Step 2: Convert to fraction form
   149,349/206,100.76 = 81,365.83/x
3. Step 3: Cross multiply
   149,349x = 206,100.76 × 81,365.83
4. Step 4: Simplify right side
   149,349x = 16,769,559,401.03
5. Step 5: Solve for x
   x = 16,769,559,401.03/149,349
6. Step 6: Final answer
   x = 112,284.38