Finding the Fourth Proportional to 89,269,190.16, 123,195,574.56 and 49,576,902.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,269,190.16 : 123,195,574.56 = 49,576,902.72 : x
2. Step 2: Convert to fraction form
   89,269,190.16/123,195,574.56 = 49,576,902.72/x
3. Step 3: Cross multiply
   89,269,190.16x = 123,195,574.56 × 49,576,902.72
4. Step 4: Simplify right side
   89,269,190.16x = 6,107,655,015,495,627
5. Step 5: Solve for x
   x = 6,107,655,015,495,627/89,269,190.16
6. Step 6: Final answer
   x = 68,418,398.38