Finding the Fourth Proportional to 23,142,003.08, 31,936,253.10 and 13,354,478.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,142,003.08 : 31,936,253.10 = 13,354,478.60 : x
2. Step 2: Convert to fraction form
   23,142,003.08/31,936,253.10 = 13,354,478.60/x
3. Step 3: Cross multiply
   23,142,003.08x = 31,936,253.10 × 13,354,478.60
4. Step 4: Simplify right side
   23,142,003.08x = 426,492,008,588,133.69
5. Step 5: Solve for x
   x = 426,492,008,588,133.69/23,142,003.08
6. Step 6: Final answer
   x = 18,429,347.15