Finding the Fourth Proportional to 133,092.99, 183,667.39 and 72,663.63

Step by Step Solution

1. Step 1: Write the proportion equation
   133,092.99 : 183,667.39 = 72,663.63 : x
2. Step 2: Convert to fraction form
   133,092.99/183,667.39 = 72,663.63/x
3. Step 3: Cross multiply
   133,092.99x = 183,667.39 × 72,663.63
4. Step 4: Simplify right side
   133,092.99x = 13,345,940,185.85
5. Step 5: Solve for x
   x = 13,345,940,185.85/133,092.99
6. Step 6: Final answer
   x = 100,275.30