Finding the Fourth Proportional to 65,406,912.89, 90,263,584.24 and 37,534,721.56

Step by Step Solution

1. Step 1: Write the proportion equation
   65,406,912.89 : 90,263,584.24 = 37,534,721.56 : x
2. Step 2: Convert to fraction form
   65,406,912.89/90,263,584.24 = 37,534,721.56/x
3. Step 3: Cross multiply
   65,406,912.89x = 90,263,584.24 × 37,534,721.56
4. Step 4: Simplify right side
   65,406,912.89x = 3,388,018,501,136,508
5. Step 5: Solve for x
   x = 3,388,018,501,136,508/65,406,912.89
6. Step 6: Final answer
   x = 51,799,088.99