Finding the Fourth Proportional to 76,357.53, 113,916.29 and 72,224.10

Step by Step Solution

1. Step 1: Write the proportion equation
   76,357.53 : 113,916.29 = 72,224.10 : x
2. Step 2: Convert to fraction form
   76,357.53/113,916.29 = 72,224.10/x
3. Step 3: Cross multiply
   76,357.53x = 113,916.29 × 72,224.10
4. Step 4: Simplify right side
   76,357.53x = 8,227,501,520.59
5. Step 5: Solve for x
   x = 8,227,501,520.59/76,357.53
6. Step 6: Final answer
   x = 107,749.71