Finding the Fourth Proportional to 12,238,499.90, 18,342,003.45 and 7,441,096.70

Step by Step Solution

1. Step 1: Write the proportion equation
   12,238,499.90 : 18,342,003.45 = 7,441,096.70 : x
2. Step 2: Convert to fraction form
   12,238,499.90/18,342,003.45 = 7,441,096.70/x
3. Step 3: Cross multiply
   12,238,499.90x = 18,342,003.45 × 7,441,096.70
4. Step 4: Simplify right side
   12,238,499.90x = 136,484,621,343,183.61
5. Step 5: Solve for x
   x = 136,484,621,343,183.61/12,238,499.90
6. Step 6: Final answer
   x = 11,152,071.12