Finding the Fourth Proportional to 13,149,608.00, 18,146,483.60 and 7,348,389.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,149,608.00 : 18,146,483.60 = 7,348,389.71 : x
2. Step 2: Convert to fraction form
   13,149,608.00/18,146,483.60 = 7,348,389.71/x
3. Step 3: Cross multiply
   13,149,608.00x = 18,146,483.60 × 7,348,389.71
4. Step 4: Simplify right side
   13,149,608.00x = 133,347,433,231,449.38
5. Step 5: Solve for x
   x = 133,347,433,231,449.38/13,149,608.00
6. Step 6: Final answer
   x = 10,140,791.52