Finding the Fourth Proportional to 12,914,817.75, 17,820,895.71 and 7,407,908.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,914,817.75 : 17,820,895.71 = 7,407,908.01 : x
2. Step 2: Convert to fraction form
   12,914,817.75/17,820,895.71 = 7,407,908.01/x
3. Step 3: Cross multiply
   12,914,817.75x = 17,820,895.71 × 7,407,908.01
4. Step 4: Simplify right side
   12,914,817.75x = 132,015,556,075,483.64
5. Step 5: Solve for x
   x = 132,015,556,075,483.64/12,914,817.75
6. Step 6: Final answer
   x = 10,222,022.38