Finding the Fourth Proportional to 12,807,792.28, 17,674,892.82 and 7,006,449.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,807,792.28 : 17,674,892.82 = 7,006,449.46 : x
2. Step 2: Convert to fraction form
   12,807,792.28/17,674,892.82 = 7,006,449.46/x
3. Step 3: Cross multiply
   12,807,792.28x = 17,674,892.82 × 7,006,449.46
4. Step 4: Simplify right side
   12,807,792.28x = 123,838,243,254,246.88
5. Step 5: Solve for x
   x = 123,838,243,254,246.88/12,807,792.28
6. Step 6: Final answer
   x = 9,668,976.55