Finding the Fourth Proportional to 157,722.37, 217,637.72 and 89,747.98

Step by Step Solution

1. Step 1: Write the proportion equation
   157,722.37 : 217,637.72 = 89,747.98 : x
2. Step 2: Convert to fraction form
   157,722.37/217,637.72 = 89,747.98/x
3. Step 3: Cross multiply
   157,722.37x = 217,637.72 × 89,747.98
4. Step 4: Simplify right side
   157,722.37x = 19,532,545,085.53
5. Step 5: Solve for x
   x = 19,532,545,085.53/157,722.37
6. Step 6: Final answer
   x = 123,841.31