Finding the Fourth Proportional to 12,905,307.94, 17,809,551.33 and 7,025,111.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,905,307.94 : 17,809,551.33 = 7,025,111.02 : x
2. Step 2: Convert to fraction form
   12,905,307.94/17,809,551.33 = 7,025,111.02/x
3. Step 3: Cross multiply
   12,905,307.94x = 17,809,551.33 × 7,025,111.02
4. Step 4: Simplify right side
   12,905,307.94x = 125,114,075,225,132.31
5. Step 5: Solve for x
   x = 125,114,075,225,132.31/12,905,307.94
6. Step 6: Final answer
   x = 9,694,776.43