Finding the Fourth Proportional to 19,978,915.41, 27,570,903.30 and 10,811,558.16

Step by Step Solution

1. Step 1: Write the proportion equation
   19,978,915.41 : 27,570,903.30 = 10,811,558.16 : x
2. Step 2: Convert to fraction form
   19,978,915.41/27,570,903.30 = 10,811,558.16/x
3. Step 3: Cross multiply
   19,978,915.41x = 27,570,903.30 × 10,811,558.16
4. Step 4: Simplify right side
   19,978,915.41x = 298,084,424,551,685.94
5. Step 5: Solve for x
   x = 298,084,424,551,685.94/19,978,915.41
6. Step 6: Final answer
   x = 14,919,950.28