Finding the Fourth Proportional to 42,322,553.85, 58,405,729.55 and 31,707,134.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,322,553.85 : 58,405,729.55 = 31,707,134.70 : x
2. Step 2: Convert to fraction form
   42,322,553.85/58,405,729.55 = 31,707,134.70/x
3. Step 3: Cross multiply
   42,322,553.85x = 58,405,729.55 × 31,707,134.70
4. Step 4: Simplify right side
   42,322,553.85x = 1,851,878,334,093,620.25
5. Step 5: Solve for x
   x = 1,851,878,334,093,620.25/42,322,553.85
6. Step 6: Final answer
   x = 43,756,299.32