Finding the Fourth Proportional to 52,360.42, 72,251.98 and 31,135.58

Step by Step Solution

1. Step 1: Write the proportion equation
   52,360.42 : 72,251.98 = 31,135.58 : x
2. Step 2: Convert to fraction form
   52,360.42/72,251.98 = 31,135.58/x
3. Step 3: Cross multiply
   52,360.42x = 72,251.98 × 31,135.58
4. Step 4: Simplify right side
   52,360.42x = 2,249,607,303.45
5. Step 5: Solve for x
   x = 2,249,607,303.45/52,360.42
6. Step 6: Final answer
   x = 42,963.89