Finding the Fourth Proportional to 12,235,012.56, 16,879,538.63 and 7,005,225.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,235,012.56 : 16,879,538.63 = 7,005,225.72 : x
2. Step 2: Convert to fraction form
   12,235,012.56/16,879,538.63 = 7,005,225.72/x
3. Step 3: Cross multiply
   12,235,012.56x = 16,879,538.63 × 7,005,225.72
4. Step 4: Simplify right side
   12,235,012.56x = 118,244,978,152,609.55
5. Step 5: Solve for x
   x = 118,244,978,152,609.55/12,235,012.56
6. Step 6: Final answer
   x = 9,664,475.42