Finding the Fourth Proportional to 64,142.84, 88,513.30 and 35,460.78

Step by Step Solution

1. Step 1: Write the proportion equation
   64,142.84 : 88,513.30 = 35,460.78 : x
2. Step 2: Convert to fraction form
   64,142.84/88,513.30 = 35,460.78/x
3. Step 3: Cross multiply
   64,142.84x = 88,513.30 × 35,460.78
4. Step 4: Simplify right side
   64,142.84x = 3,138,750,935.15
5. Step 5: Solve for x
   x = 3,138,750,935.15/64,142.84
6. Step 6: Final answer
   x = 48,933.77