Finding the Fourth Proportional to 99,129.82, 148,645.89 and 35,940.46

Step by Step Solution

1. Step 1: Write the proportion equation
   99,129.82 : 148,645.89 = 35,940.46 : x
2. Step 2: Convert to fraction form
   99,129.82/148,645.89 = 35,940.46/x
3. Step 3: Cross multiply
   99,129.82x = 148,645.89 × 35,940.46
4. Step 4: Simplify right side
   99,129.82x = 5,342,401,663.71
5. Step 5: Solve for x
   x = 5,342,401,663.71/99,129.82
6. Step 6: Final answer
   x = 53,892.98