Finding the Fourth Proportional to 172,426, 237,947.88 and 96,976.12

Step by Step Solution

1. Step 1: Write the proportion equation
   172,426 : 237,947.88 = 96,976.12 : x
2. Step 2: Convert to fraction form
   172,426/237,947.88 = 96,976.12/x
3. Step 3: Cross multiply
   172,426x = 237,947.88 × 96,976.12
4. Step 4: Simplify right side
   172,426x = 23,075,262,164.63
5. Step 5: Solve for x
   x = 23,075,262,164.63/172,426
6. Step 6: Final answer
   x = 133,827.05