Finding the Fourth Proportional to 89,291,118.53, 123,217,578.83 and 49,601,221.80

Step by Step Solution

1. Step 1: Write the proportion equation
   89,291,118.53 : 123,217,578.83 = 49,601,221.80 : x
2. Step 2: Convert to fraction form
   89,291,118.53/123,217,578.83 = 49,601,221.80/x
3. Step 3: Cross multiply
   89,291,118.53x = 123,217,578.83 × 49,601,221.80
4. Step 4: Simplify right side
   89,291,118.53x = 6,111,742,456,957,808
5. Step 5: Solve for x
   x = 6,111,742,456,957,808/89,291,118.53
6. Step 6: Final answer
   x = 68,447,372.57