Finding the Fourth Proportional to 38,428,131.39, 53,032,085.96 and 21,024,078.34

Step by Step Solution

1. Step 1: Write the proportion equation
   38,428,131.39 : 53,032,085.96 = 21,024,078.34 : x
2. Step 2: Convert to fraction form
   38,428,131.39/53,032,085.96 = 21,024,078.34/x
3. Step 3: Cross multiply
   38,428,131.39x = 53,032,085.96 × 21,024,078.34
4. Step 4: Simplify right side
   38,428,131.39x = 1,114,950,729,756,654.12
5. Step 5: Solve for x
   x = 1,114,950,729,756,654.12/38,428,131.39
6. Step 6: Final answer
   x = 29,013,920.00