Finding the Fourth Proportional to 91,939,105.89, 137,867,157.68 and 26,345,240.42

Step by Step Solution

1. Step 1: Write the proportion equation
   91,939,105.89 : 137,867,157.68 = 26,345,240.42 : x
2. Step 2: Convert to fraction form
   91,939,105.89/137,867,157.68 = 26,345,240.42/x
3. Step 3: Cross multiply
   91,939,105.89x = 137,867,157.68 × 26,345,240.42
4. Step 4: Simplify right side
   91,939,105.89x = 3,632,143,414,280,587.50
5. Step 5: Solve for x
   x = 3,632,143,414,280,587.50/91,939,105.89
6. Step 6: Final answer
   x = 39,505,968.42