Finding the Fourth Proportional to 12,638,531.39, 17,441,667.83 and 7,410,812.99

Step by Step Solution

1. Step 1: Write the proportion equation
   12,638,531.39 : 17,441,667.83 = 7,410,812.99 : x
2. Step 2: Convert to fraction form
   12,638,531.39/17,441,667.83 = 7,410,812.99/x
3. Step 3: Cross multiply
   12,638,531.39x = 17,441,667.83 × 7,410,812.99
4. Step 4: Simplify right side
   12,638,531.39x = 129,256,938,453,147.81
5. Step 5: Solve for x
   x = 129,256,938,453,147.81/12,638,531.39
6. Step 6: Final answer
   x = 10,227,211.89