Finding the Fourth Proportional to 53,980.72, 74,496.98 and 31,327.04

Step by Step Solution

1. Step 1: Write the proportion equation
   53,980.72 : 74,496.98 = 31,327.04 : x
2. Step 2: Convert to fraction form
   53,980.72/74,496.98 = 31,327.04/x
3. Step 3: Cross multiply
   53,980.72x = 74,496.98 × 31,327.04
4. Step 4: Simplify right side
   53,980.72x = 2,333,769,872.34
5. Step 5: Solve for x
   x = 2,333,769,872.34/53,980.72
6. Step 6: Final answer
   x = 43,233.40