Finding the Fourth Proportional to 78,176.17, 107,883.20 and 42,366.18

Step by Step Solution

1. Step 1: Write the proportion equation
   78,176.17 : 107,883.20 = 42,366.18 : x
2. Step 2: Convert to fraction form
   78,176.17/107,883.20 = 42,366.18/x
3. Step 3: Cross multiply
   78,176.17x = 107,883.20 × 42,366.18
4. Step 4: Simplify right side
   78,176.17x = 4,570,598,822.10
5. Step 5: Solve for x
   x = 4,570,598,822.10/78,176.17
6. Step 6: Final answer
   x = 58,465.37