Finding the Fourth Proportional to 82,680,298.72, 123,937,077.84 and 51,996,806.62

Step by Step Solution

1. Step 1: Write the proportion equation
   82,680,298.72 : 123,937,077.84 = 51,996,806.62 : x
2. Step 2: Convert to fraction form
   82,680,298.72/123,937,077.84 = 51,996,806.62/x
3. Step 3: Cross multiply
   82,680,298.72x = 123,937,077.84 × 51,996,806.62
4. Step 4: Simplify right side
   82,680,298.72x = 6,444,332,269,494,367
5. Step 5: Solve for x
   x = 6,444,332,269,494,367/82,680,298.72
6. Step 6: Final answer
   x = 77,942,779.23