Finding the Fourth Proportional to 108,908,251.05, 152,584,925.55 and 108,908,251.05

Step by Step Solution

1. Step 1: Write the proportion equation
   108,908,251.05 : 152,584,925.55 = 108,908,251.05 : x
2. Step 2: Convert to fraction form
   108,908,251.05/152,584,925.55 = 108,908,251.05/x
3. Step 3: Cross multiply
   108,908,251.05x = 152,584,925.55 × 108,908,251.05
4. Step 4: Simplify right side
   108,908,251.05x = 16,617,757,378,244,960
5. Step 5: Solve for x
   x = 16,617,757,378,244,960/108,908,251.05
6. Step 6: Final answer
   x = 152,584,925.55