Finding the Fourth Proportional to 83,773,021.20, 115,559,532.72 and 50,273,932.92

Step by Step Solution

1. Step 1: Write the proportion equation
   83,773,021.20 : 115,559,532.72 = 50,273,932.92 : x
2. Step 2: Convert to fraction form
   83,773,021.20/115,559,532.72 = 50,273,932.92/x
3. Step 3: Cross multiply
   83,773,021.20x = 115,559,532.72 × 50,273,932.92
4. Step 4: Simplify right side
   83,773,021.20x = 5,809,632,196,231,825
5. Step 5: Solve for x
   x = 5,809,632,196,231,825/83,773,021.20
6. Step 6: Final answer
   x = 69,349,679.80