Finding the Fourth Proportional to 90,263,445.57, 124,560,062.69 and 49,009,393.89

Step by Step Solution

1. Step 1: Write the proportion equation
   90,263,445.57 : 124,560,062.69 = 49,009,393.89 : x
2. Step 2: Convert to fraction form
   90,263,445.57/124,560,062.69 = 49,009,393.89/x
3. Step 3: Cross multiply
   90,263,445.57x = 124,560,062.69 × 49,009,393.89
4. Step 4: Simplify right side
   90,263,445.57x = 6,104,613,175,092,256
5. Step 5: Solve for x
   x = 6,104,613,175,092,256/90,263,445.57
6. Step 6: Final answer
   x = 67,631,067.44