Finding the Fourth Proportional to 78,429, 117,577.35 and 34,022.31

Step by Step Solution

1. Step 1: Write the proportion equation
   78,429 : 117,577.35 = 34,022.31 : x
2. Step 2: Convert to fraction form
   78,429/117,577.35 = 34,022.31/x
3. Step 3: Cross multiply
   78,429x = 117,577.35 × 34,022.31
4. Step 4: Simplify right side
   78,429x = 4,000,253,050.68
5. Step 5: Solve for x
   x = 4,000,253,050.68/78,429
6. Step 6: Final answer
   x = 51,004.77