Finding the Fourth Proportional to 78,323.30, 108,088.07 and 42,513.22

Step by Step Solution

1. Step 1: Write the proportion equation
   78,323.30 : 108,088.07 = 42,513.22 : x
2. Step 2: Convert to fraction form
   78,323.30/108,088.07 = 42,513.22/x
3. Step 3: Cross multiply
   78,323.30x = 108,088.07 × 42,513.22
4. Step 4: Simplify right side
   78,323.30x = 4,595,171,899.29
5. Step 5: Solve for x
   x = 4,595,171,899.29/78,323.30
6. Step 6: Final answer
   x = 58,669.28