Finding the Fourth Proportional to 23,290,588.40, 32,139,700.15 and 12,836,572.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,290,588.40 : 32,139,700.15 = 12,836,572.88 : x
2. Step 2: Convert to fraction form
   23,290,588.40/32,139,700.15 = 12,836,572.88/x
3. Step 3: Cross multiply
   23,290,588.40x = 32,139,700.15 × 12,836,572.88
4. Step 4: Simplify right side
   23,290,588.40x = 412,563,603,124,032
5. Step 5: Solve for x
   x = 412,563,603,124,032/23,290,588.40
6. Step 6: Final answer
   x = 17,713,747.55