Finding the Fourth Proportional to 42,131,436.12, 58,109,126.22 and 29,100,502.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,131,436.12 : 58,109,126.22 = 29,100,502.80 : x
2. Step 2: Convert to fraction form
   42,131,436.12/58,109,126.22 = 29,100,502.80/x
3. Step 3: Cross multiply
   42,131,436.12x = 58,109,126.22 × 29,100,502.80
4. Step 4: Simplify right side
   42,131,436.12x = 1,691,004,790,270,663.50
5. Step 5: Solve for x
   x = 1,691,004,790,270,663.50/42,131,436.12
6. Step 6: Final answer
   x = 40,136,414.66