Finding the Fourth Proportional to 61,152.78, 84,390.72 and 35,660.16

Step by Step Solution

1. Step 1: Write the proportion equation
   61,152.78 : 84,390.72 = 35,660.16 : x
2. Step 2: Convert to fraction form
   61,152.78/84,390.72 = 35,660.16/x
3. Step 3: Cross multiply
   61,152.78x = 84,390.72 × 35,660.16
4. Step 4: Simplify right side
   61,152.78x = 3,009,386,577.72
5. Step 5: Solve for x
   x = 3,009,386,577.72/61,152.78
6. Step 6: Final answer
   x = 49,210.95