Finding the Fourth Proportional to 12,200,124.08, 18,300,317.52 and 3,680,534.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,200,124.08 : 18,300,317.52 = 3,680,534.36 : x
2. Step 2: Convert to fraction form
   12,200,124.08/18,300,317.52 = 3,680,534.36/x
3. Step 3: Cross multiply
   12,200,124.08x = 18,300,317.52 × 3,680,534.36
4. Step 4: Simplify right side
   12,200,124.08x = 67,354,947,431,269.98
5. Step 5: Solve for x
   x = 67,354,947,431,269.98/12,200,124.08
6. Step 6: Final answer
   x = 5,520,841.18