Finding the Fourth Proportional to 19,375,815.78, 29,075,167.25 and 7,078,686.16

Step by Step Solution

1. Step 1: Write the proportion equation
   19,375,815.78 : 29,075,167.25 = 7,078,686.16 : x
2. Step 2: Convert to fraction form
   19,375,815.78/29,075,167.25 = 7,078,686.16/x
3. Step 3: Cross multiply
   19,375,815.78x = 29,075,167.25 × 7,078,686.16
4. Step 4: Simplify right side
   19,375,815.78x = 205,813,984,012,260.25
5. Step 5: Solve for x
   x = 205,813,984,012,260.25/19,375,815.78
6. Step 6: Final answer
   x = 10,622,209.99