Finding the Fourth Proportional to 42,438,448.88, 63,530,791.72 and 25,991,948.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,438,448.88 : 63,530,791.72 = 25,991,948.48 : x
2. Step 2: Convert to fraction form
   42,438,448.88/63,530,791.72 = 25,991,948.48/x
3. Step 3: Cross multiply
   42,438,448.88x = 63,530,791.72 × 25,991,948.48
4. Step 4: Simplify right side
   42,438,448.88x = 1,651,289,065,279,850.50
5. Step 5: Solve for x
   x = 1,651,289,065,279,850.50/42,438,448.88
6. Step 6: Final answer
   x = 38,910,212.53