Finding the Fourth Proportional to 19,978,731.42, 27,570,673.74 and 10,811,374.17

Step by Step Solution

1. Step 1: Write the proportion equation
   19,978,731.42 : 27,570,673.74 = 10,811,374.17 : x
2. Step 2: Convert to fraction form
   19,978,731.42/27,570,673.74 = 10,811,374.17/x
3. Step 3: Cross multiply
   19,978,731.42x = 27,570,673.74 × 10,811,374.17
4. Step 4: Simplify right side
   19,978,731.42x = 298,076,869,922,133.25
5. Step 5: Solve for x
   x = 298,076,869,922,133.25/19,978,731.42
6. Step 6: Final answer
   x = 14,919,709.55