Finding the Fourth Proportional to 151,248, 227,012.32 and 76,420.72

Step by Step Solution

1. Step 1: Write the proportion equation
   151,248 : 227,012.32 = 76,420.72 : x
2. Step 2: Convert to fraction form
   151,248/227,012.32 = 76,420.72/x
3. Step 3: Cross multiply
   151,248x = 227,012.32 × 76,420.72
4. Step 4: Simplify right side
   151,248x = 17,348,444,943.27
5. Step 5: Solve for x
   x = 17,348,444,943.27/151,248
6. Step 6: Final answer
   x = 114,701.98