Finding the Fourth Proportional to 64,085.07, 88,437.33 and 35,790.78

Step by Step Solution

1. Step 1: Write the proportion equation
   64,085.07 : 88,437.33 = 35,790.78 : x
2. Step 2: Convert to fraction form
   64,085.07/88,437.33 = 35,790.78/x
3. Step 3: Cross multiply
   64,085.07x = 88,437.33 × 35,790.78
4. Step 4: Simplify right side
   64,085.07x = 3,165,241,021.82
5. Step 5: Solve for x
   x = 3,165,241,021.82/64,085.07
6. Step 6: Final answer
   x = 49,391.24