Finding the Fourth Proportional to 83,041,404.78, 124,565,568.39 and 28,491,512.12

Step by Step Solution

1. Step 1: Write the proportion equation
   83,041,404.78 : 124,565,568.39 = 28,491,512.12 : x
2. Step 2: Convert to fraction form
   83,041,404.78/124,565,568.39 = 28,491,512.12/x
3. Step 3: Cross multiply
   83,041,404.78x = 124,565,568.39 × 28,491,512.12
4. Step 4: Simplify right side
   83,041,404.78x = 3,549,061,401,518,374
5. Step 5: Solve for x
   x = 3,549,061,401,518,374/83,041,404.78
6. Step 6: Final answer
   x = 42,738,455.72