Finding the Fourth Proportional to 57,116.02, 78,810.72 and 35,880.25

Step by Step Solution

1. Step 1: Write the proportion equation
   57,116.02 : 78,810.72 = 35,880.25 : x
2. Step 2: Convert to fraction form
   57,116.02/78,810.72 = 35,880.25/x
3. Step 3: Cross multiply
   57,116.02x = 78,810.72 × 35,880.25
4. Step 4: Simplify right side
   57,116.02x = 2,827,748,336.28
5. Step 5: Solve for x
   x = 2,827,748,336.28/57,116.02
6. Step 6: Final answer
   x = 49,508.85