Finding the Fourth Proportional to 83,945,685.21, 115,843,493.49 and 45,755,143.61

Step by Step Solution

1. Step 1: Write the proportion equation
   83,945,685.21 : 115,843,493.49 = 45,755,143.61 : x
2. Step 2: Convert to fraction form
   83,945,685.21/115,843,493.49 = 45,755,143.61/x
3. Step 3: Cross multiply
   83,945,685.21x = 115,843,493.49 × 45,755,143.61
4. Step 4: Simplify right side
   83,945,685.21x = 5,300,435,680,919,050
5. Step 5: Solve for x
   x = 5,300,435,680,919,050/83,945,685.21
6. Step 6: Final answer
   x = 63,141,252.20