Finding the Fourth Proportional to 99,227.07, 136,932.81 and 53,904.69

Step by Step Solution

1. Step 1: Write the proportion equation
   99,227.07 : 136,932.81 = 53,904.69 : x
2. Step 2: Convert to fraction form
   99,227.07/136,932.81 = 53,904.69/x
3. Step 3: Cross multiply
   99,227.07x = 136,932.81 × 53,904.69
4. Step 4: Simplify right side
   99,227.07x = 7,381,320,401.64
5. Step 5: Solve for x
   x = 7,381,320,401.64/99,227.07
6. Step 6: Final answer
   x = 74,388.17