Finding the Fourth Proportional to 12,339,667.52, 18,514,787.52 and 4,771,947.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,339,667.52 : 18,514,787.52 = 4,771,947.68 : x
2. Step 2: Convert to fraction form
   12,339,667.52/18,514,787.52 = 4,771,947.68/x
3. Step 3: Cross multiply
   12,339,667.52x = 18,514,787.52 × 4,771,947.68
4. Step 4: Simplify right side
   12,339,667.52x = 88,351,597,351,756.95
5. Step 5: Solve for x
   x = 88,351,597,351,756.95/12,339,667.52
6. Step 6: Final answer
   x = 7,159,965.79