Finding the Fourth Proportional to 125,667.84, 188,255.52 and 72,966.72

Step by Step Solution

1. Step 1: Write the proportion equation
   125,667.84 : 188,255.52 = 72,966.72 : x
2. Step 2: Convert to fraction form
   125,667.84/188,255.52 = 72,966.72/x
3. Step 3: Cross multiply
   125,667.84x = 188,255.52 × 72,966.72
4. Step 4: Simplify right side
   125,667.84x = 13,736,387,816.29
5. Step 5: Solve for x
   x = 13,736,387,816.29/125,667.84
6. Step 6: Final answer
   x = 109,307.11