Finding the Fourth Proportional to 78,460.17, 108,275.16 and 42,650.07

Step by Step Solution

1. Step 1: Write the proportion equation
   78,460.17 : 108,275.16 = 42,650.07 : x
2. Step 2: Convert to fraction form
   78,460.17/108,275.16 = 42,650.07/x
3. Step 3: Cross multiply
   78,460.17x = 108,275.16 × 42,650.07
4. Step 4: Simplify right side
   78,460.17x = 4,617,943,153.26
5. Step 5: Solve for x
   x = 4,617,943,153.26/78,460.17
6. Step 6: Final answer
   x = 58,857.16