Finding the Fourth Proportional to 61,131.78, 84,364.02 and 35,654.43

Step by Step Solution

1. Step 1: Write the proportion equation
   61,131.78 : 84,364.02 = 35,654.43 : x
2. Step 2: Convert to fraction form
   61,131.78/84,364.02 = 35,654.43/x
3. Step 3: Cross multiply
   61,131.78x = 84,364.02 × 35,654.43
4. Step 4: Simplify right side
   61,131.78x = 3,007,951,045.61
5. Step 5: Solve for x
   x = 3,007,951,045.61/61,131.78
6. Step 6: Final answer
   x = 49,204.38