Finding the Fourth Proportional to 12,224,746.82, 18,339,766.50 and 3,705,725.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,224,746.82 : 18,339,766.50 = 3,705,725.72 : x
2. Step 2: Convert to fraction form
   12,224,746.82/18,339,766.50 = 3,705,725.72/x
3. Step 3: Cross multiply
   12,224,746.82x = 18,339,766.50 × 3,705,725.72
4. Step 4: Simplify right side
   12,224,746.82x = 67,962,144,326,145.55
5. Step 5: Solve for x
   x = 67,962,144,326,145.55/12,224,746.82
6. Step 6: Final answer
   x = 5,559,390.75