Finding the Fourth Proportional to 98,812.29, 136,326.89 and 55,786.41

Step by Step Solution

1. Step 1: Write the proportion equation
   98,812.29 : 136,326.89 = 55,786.41 : x
2. Step 2: Convert to fraction form
   98,812.29/136,326.89 = 55,786.41/x
3. Step 3: Cross multiply
   98,812.29x = 136,326.89 × 55,786.41
4. Step 4: Simplify right side
   98,812.29x = 7,605,187,500.63
5. Step 5: Solve for x
   x = 7,605,187,500.63/98,812.29
6. Step 6: Final answer
   x = 76,966.01