Finding the Fourth Proportional to 12,730,327.56, 19,094,973.48 and 3,145,464.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,730,327.56 : 19,094,973.48 = 3,145,464.72 : x
2. Step 2: Convert to fraction form
   12,730,327.56/19,094,973.48 = 3,145,464.72/x
3. Step 3: Cross multiply
   12,730,327.56x = 19,094,973.48 × 3,145,464.72
4. Step 4: Simplify right side
   12,730,327.56x = 60,062,565,410,675.63
5. Step 5: Solve for x
   x = 60,062,565,410,675.63/12,730,327.56
6. Step 6: Final answer
   x = 4,718,069.12