Finding the Fourth Proportional to 187,123,684.68, 280,138,193.82 and 109,162,208.52

Step by Step Solution

1. Step 1: Write the proportion equation
   187,123,684.68 : 280,138,193.82 = 109,162,208.52 : x
2. Step 2: Convert to fraction form
   187,123,684.68/280,138,193.82 = 109,162,208.52/x
3. Step 3: Cross multiply
   187,123,684.68x = 280,138,193.82 × 109,162,208.52
4. Step 4: Simplify right side
   187,123,684.68x = 30,580,503,928,195,012
5. Step 5: Solve for x
   x = 30,580,503,928,195,012/187,123,684.68
6. Step 6: Final answer
   x = 163,424,015.41