Finding the Fourth Proportional to 157,018.41, 216,601.29 and 109,188.72

Step by Step Solution

1. Step 1: Write the proportion equation
   157,018.41 : 216,601.29 = 109,188.72 : x
2. Step 2: Convert to fraction form
   157,018.41/216,601.29 = 109,188.72/x
3. Step 3: Cross multiply
   157,018.41x = 216,601.29 × 109,188.72
4. Step 4: Simplify right side
   157,018.41x = 23,650,417,605.45
5. Step 5: Solve for x
   x = 23,650,417,605.45/157,018.41
6. Step 6: Final answer
   x = 150,621.94