Finding the Fourth Proportional to 83,136,408.57, 124,673,597.55 and 28,533,499.38

Step by Step Solution

1. Step 1: Write the proportion equation
   83,136,408.57 : 124,673,597.55 = 28,533,499.38 : x
2. Step 2: Convert to fraction form
   83,136,408.57/124,673,597.55 = 28,533,499.38/x
3. Step 3: Cross multiply
   83,136,408.57x = 124,673,597.55 × 28,533,499.38
4. Step 4: Simplify right side
   83,136,408.57x = 3,557,374,018,395,294.50
5. Step 5: Solve for x
   x = 3,557,374,018,395,294.50/83,136,408.57
6. Step 6: Final answer
   x = 42,789,604.21