Finding the Fourth Proportional to 52,131.07, 78,184.61 and 31,077.05

Step by Step Solution

1. Step 1: Write the proportion equation
   52,131.07 : 78,184.61 = 31,077.05 : x
2. Step 2: Convert to fraction form
   52,131.07/78,184.61 = 31,077.05/x
3. Step 3: Cross multiply
   52,131.07x = 78,184.61 × 31,077.05
4. Step 4: Simplify right side
   52,131.07x = 2,429,746,878.82
5. Step 5: Solve for x
   x = 2,429,746,878.82/52,131.07
6. Step 6: Final answer
   x = 46,608.43