Finding the Fourth Proportional to 12,662,499.18, 17,466,485.31 and 10,342,762.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,662,499.18 : 17,466,485.31 = 10,342,762.86 : x
2. Step 2: Convert to fraction form
   12,662,499.18/17,466,485.31 = 10,342,762.86/x
3. Step 3: Cross multiply
   12,662,499.18x = 17,466,485.31 × 10,342,762.86
4. Step 4: Simplify right side
   12,662,499.18x = 180,651,715,559,003.56
5. Step 5: Solve for x
   x = 180,651,715,559,003.56/12,662,499.18
6. Step 6: Final answer
   x = 14,266,671.45