Finding the Fourth Proportional to 145,822.10, 201,234.51 and 78,754.10

Step by Step Solution

1. Step 1: Write the proportion equation
   145,822.10 : 201,234.51 = 78,754.10 : x
2. Step 2: Convert to fraction form
   145,822.10/201,234.51 = 78,754.10/x
3. Step 3: Cross multiply
   145,822.10x = 201,234.51 × 78,754.10
4. Step 4: Simplify right side
   145,822.10x = 15,848,041,717.82
5. Step 5: Solve for x
   x = 15,848,041,717.82/145,822.10
6. Step 6: Final answer
   x = 108,680.66