Finding the Fourth Proportional to 71,699,540.89, 107,522,960.72 and 25,628,978.01

Step by Step Solution

1. Step 1: Write the proportion equation
   71,699,540.89 : 107,522,960.72 = 25,628,978.01 : x
2. Step 2: Convert to fraction form
   71,699,540.89/107,522,960.72 = 25,628,978.01/x
3. Step 3: Cross multiply
   71,699,540.89x = 107,522,960.72 × 25,628,978.01
4. Step 4: Simplify right side
   71,699,540.89x = 2,755,703,596,015,749.50
5. Step 5: Solve for x
   x = 2,755,703,596,015,749.50/71,699,540.89
6. Step 6: Final answer
   x = 38,434,048.00