Finding the Fourth Proportional to 12,530,430.26, 18,795,661.86 and 3,432,608.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,530,430.26 : 18,795,661.86 = 3,432,608.72 : x
2. Step 2: Convert to fraction form
   12,530,430.26/18,795,661.86 = 3,432,608.72/x
3. Step 3: Cross multiply
   12,530,430.26x = 18,795,661.86 × 3,432,608.72
4. Step 4: Simplify right side
   12,530,430.26x = 64,518,152,798,807.42
5. Step 5: Solve for x
   x = 64,518,152,798,807.42/12,530,430.26
6. Step 6: Final answer
   x = 5,148,917.59