Finding the Fourth Proportional to 77,146.62, 115,678.34 and 35,003.72

Step by Step Solution

1. Step 1: Write the proportion equation
   77,146.62 : 115,678.34 = 35,003.72 : x
2. Step 2: Convert to fraction form
   77,146.62/115,678.34 = 35,003.72/x
3. Step 3: Cross multiply
   77,146.62x = 115,678.34 × 35,003.72
4. Step 4: Simplify right side
   77,146.62x = 4,049,172,223.42
5. Step 5: Solve for x
   x = 4,049,172,223.42/77,146.62
6. Step 6: Final answer
   x = 52,486.71