Finding the Fourth Proportional to 82,492,493.12, 123,738,901.76 and 30,688,455.04

Step by Step Solution

1. Step 1: Write the proportion equation
   82,492,493.12 : 123,738,901.76 = 30,688,455.04 : x
2. Step 2: Convert to fraction form
   82,492,493.12/123,738,901.76 = 30,688,455.04/x
3. Step 3: Cross multiply
   82,492,493.12x = 123,738,901.76 × 30,688,455.04
4. Step 4: Simplify right side
   82,492,493.12x = 3,797,355,723,360,737
5. Step 5: Solve for x
   x = 3,797,355,723,360,737/82,492,493.12
6. Step 6: Final answer
   x = 46,032,742.86