Finding the Fourth Proportional to 12,718,082.18, 19,077,238.59 and 3,620,176.19

Step by Step Solution

1. Step 1: Write the proportion equation
   12,718,082.18 : 19,077,238.59 = 3,620,176.19 : x
2. Step 2: Convert to fraction form
   12,718,082.18/19,077,238.59 = 3,620,176.19/x
3. Step 3: Cross multiply
   12,718,082.18x = 19,077,238.59 × 3,620,176.19
4. Step 4: Simplify right side
   12,718,082.18x = 69,062,964,805,505.32
5. Step 5: Solve for x
   x = 69,062,964,805,505.32/12,718,082.18
6. Step 6: Final answer
   x = 5,430,297.10