Finding the Fourth Proportional to 41,426,003.86, 62,136,769.56 and 12,672,142.72

Step by Step Solution

1. Step 1: Write the proportion equation
   41,426,003.86 : 62,136,769.56 = 12,672,142.72 : x
2. Step 2: Convert to fraction form
   41,426,003.86/62,136,769.56 = 12,672,142.72/x
3. Step 3: Cross multiply
   41,426,003.86x = 62,136,769.56 × 12,672,142.72
4. Step 4: Simplify right side
   41,426,003.86x = 787,406,012,024,071.62
5. Step 5: Solve for x
   x = 787,406,012,024,071.62/41,426,003.86
6. Step 6: Final answer
   x = 19,007,530.02