Finding the Fourth Proportional to 64,034.72, 88,368.02 and 35,740.40

Step by Step Solution

1. Step 1: Write the proportion equation
   64,034.72 : 88,368.02 = 35,740.40 : x
2. Step 2: Convert to fraction form
   64,034.72/88,368.02 = 35,740.40/x
3. Step 3: Cross multiply
   64,034.72x = 88,368.02 × 35,740.40
4. Step 4: Simplify right side
   64,034.72x = 3,158,308,382.01
5. Step 5: Solve for x
   x = 3,158,308,382.01/64,034.72
6. Step 6: Final answer
   x = 49,321.81