Finding the Fourth Proportional to 91,413,498.56, 137,128,219.46 and 25,835,325.56

Step by Step Solution

1. Step 1: Write the proportion equation
   91,413,498.56 : 137,128,219.46 = 25,835,325.56 : x
2. Step 2: Convert to fraction form
   91,413,498.56/137,128,219.46 = 25,835,325.56/x
3. Step 3: Cross multiply
   91,413,498.56x = 137,128,219.46 × 25,835,325.56
4. Step 4: Simplify right side
   91,413,498.56x = 3,542,752,193,321,272
5. Step 5: Solve for x
   x = 3,542,752,193,321,272/91,413,498.56
6. Step 6: Final answer
   x = 38,755,241.28