Finding the Fourth Proportional to 109,510.79, 151,121.43 and 61,114.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,510.79 : 151,121.43 = 61,114.10 : x
2. Step 2: Convert to fraction form
   109,510.79/151,121.43 = 61,114.10/x
3. Step 3: Cross multiply
   109,510.79x = 151,121.43 × 61,114.10
4. Step 4: Simplify right side
   109,510.79x = 9,235,649,429.56
5. Step 5: Solve for x
   x = 9,235,649,429.56/109,510.79
6. Step 6: Final answer
   x = 84,335.52