Finding the Fourth Proportional to 82,263.57, 123,396 and 19,934.07

Step by Step Solution

1. Step 1: Write the proportion equation
   82,263.57 : 123,396 = 19,934.07 : x
2. Step 2: Convert to fraction form
   82,263.57/123,396 = 19,934.07/x
3. Step 3: Cross multiply
   82,263.57x = 123,396 × 19,934.07
4. Step 4: Simplify right side
   82,263.57x = 2,459,784,501.72
5. Step 5: Solve for x
   x = 2,459,784,501.72/82,263.57
6. Step 6: Final answer
   x = 29,901.26