Finding the Fourth Proportional to 12,859,895.68, 17,761,384.89 and 8,469,248.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,859,895.68 : 17,761,384.89 = 8,469,248.53 : x
2. Step 2: Convert to fraction form
   12,859,895.68/17,761,384.89 = 8,469,248.53/x
3. Step 3: Cross multiply
   12,859,895.68x = 17,761,384.89 × 8,469,248.53
4. Step 4: Simplify right side
   12,859,895.68x = 150,425,582,870,396.72
5. Step 5: Solve for x
   x = 150,425,582,870,396.72/12,859,895.68
6. Step 6: Final answer
   x = 11,697,263.07