Finding the Fourth Proportional to 157,019.41, 216,602.67 and 109,189.72

Step by Step Solution

1. Step 1: Write the proportion equation
   157,019.41 : 216,602.67 = 109,189.72 : x
2. Step 2: Convert to fraction form
   157,019.41/216,602.67 = 109,189.72/x
3. Step 3: Cross multiply
   157,019.41x = 216,602.67 × 109,189.72
4. Step 4: Simplify right side
   157,019.41x = 23,650,784,888.55
5. Step 5: Solve for x
   x = 23,650,784,888.55/157,019.41
6. Step 6: Final answer
   x = 150,623.32