Finding the Fourth Proportional to 53,364.78, 73,649.82 and 31,008.78

Step by Step Solution

1. Step 1: Write the proportion equation
   53,364.78 : 73,649.82 = 31,008.78 : x
2. Step 2: Convert to fraction form
   53,364.78/73,649.82 = 31,008.78/x
3. Step 3: Cross multiply
   53,364.78x = 73,649.82 × 31,008.78
4. Step 4: Simplify right side
   53,364.78x = 2,283,791,065.42
5. Step 5: Solve for x
   x = 2,283,791,065.42/53,364.78
6. Step 6: Final answer
   x = 42,795.85