Finding the Fourth Proportional to 10,248,815.40, 14,143,116.42 and 5,665,018.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,248,815.40 : 14,143,116.42 = 5,665,018.92 : x
2. Step 2: Convert to fraction form
   10,248,815.40/14,143,116.42 = 5,665,018.92/x
3. Step 3: Cross multiply
   10,248,815.40x = 14,143,116.42 × 5,665,018.92
4. Step 4: Simplify right side
   10,248,815.40x = 80,121,022,107,062.67
5. Step 5: Solve for x
   x = 80,121,022,107,062.67/10,248,815.40
6. Step 6: Final answer
   x = 7,817,588.57