Finding the Fourth Proportional to 133,105.68, 183,686.94 and 72,674.82

Step by Step Solution

1. Step 1: Write the proportion equation
   133,105.68 : 183,686.94 = 72,674.82 : x
2. Step 2: Convert to fraction form
   133,105.68/183,686.94 = 72,674.82/x
3. Step 3: Cross multiply
   133,105.68x = 183,686.94 × 72,674.82
4. Step 4: Simplify right side
   133,105.68x = 13,349,415,300.85
5. Step 5: Solve for x
   x = 13,349,415,300.85/133,105.68
6. Step 6: Final answer
   x = 100,291.85