Finding the Fourth Proportional to 52,109.49, 78,268.86 and 31,090.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,109.49 : 78,268.86 = 31,090.53 : x
2. Step 2: Convert to fraction form
   52,109.49/78,268.86 = 31,090.53/x
3. Step 3: Cross multiply
   52,109.49x = 78,268.86 × 31,090.53
4. Step 4: Simplify right side
   52,109.49x = 2,433,420,339.90
5. Step 5: Solve for x
   x = 2,433,420,339.90/52,109.49
6. Step 6: Final answer
   x = 46,698.22