Finding the Fourth Proportional to 82,426.68, 123,664.68 and 58,457.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,426.68 : 123,664.68 = 58,457.16 : x
2. Step 2: Convert to fraction form
   82,426.68/123,664.68 = 58,457.16/x
3. Step 3: Cross multiply
   82,426.68x = 123,664.68 × 58,457.16
4. Step 4: Simplify right side
   82,426.68x = 7,229,085,985.11
5. Step 5: Solve for x
   x = 7,229,085,985.11/82,426.68
6. Step 6: Final answer
   x = 87,703.23