Finding the Fourth Proportional to 109,074.30, 152,807.70 and 109,074.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,074.30 : 152,807.70 = 109,074.30 : x
2. Step 2: Convert to fraction form
   109,074.30/152,807.70 = 109,074.30/x
3. Step 3: Cross multiply
   109,074.30x = 152,807.70 × 109,074.30
4. Step 4: Simplify right side
   109,074.30x = 16,667,392,912.11
5. Step 5: Solve for x
   x = 16,667,392,912.11/109,074.30
6. Step 6: Final answer
   x = 152,807.70