Finding the Fourth Proportional to 12,446,964.18, 18,659,796.99 and 4,776,113.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,446,964.18 : 18,659,796.99 = 4,776,113.82 : x
2. Step 2: Convert to fraction form
   12,446,964.18/18,659,796.99 = 4,776,113.82/x
3. Step 3: Cross multiply
   12,446,964.18x = 18,659,796.99 × 4,776,113.82
4. Step 4: Simplify right side
   12,446,964.18x = 89,121,314,282,333.41
5. Step 5: Solve for x
   x = 89,121,314,282,333.41/12,446,964.18
6. Step 6: Final answer
   x = 7,160,084.42