Finding the Fourth Proportional to 12,144,516.30, 18,207,917.10 and 4,952,348.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,144,516.30 : 18,207,917.10 = 4,952,348.10 : x
2. Step 2: Convert to fraction form
   12,144,516.30/18,207,917.10 = 4,952,348.10/x
3. Step 3: Cross multiply
   12,144,516.30x = 18,207,917.10 × 4,952,348.10
4. Step 4: Simplify right side
   12,144,516.30x = 90,171,943,655,142.52
5. Step 5: Solve for x
   x = 90,171,943,655,142.52/12,144,516.30
6. Step 6: Final answer
   x = 7,424,910.26