Finding the Fourth Proportional to 53,805.56, 74,250.56 and 29,931.72

Step by Step Solution

1. Step 1: Write the proportion equation
   53,805.56 : 74,250.56 = 29,931.72 : x
2. Step 2: Convert to fraction form
   53,805.56/74,250.56 = 29,931.72/x
3. Step 3: Cross multiply
   53,805.56x = 74,250.56 × 29,931.72
4. Step 4: Simplify right side
   53,805.56x = 2,222,446,971.76
5. Step 5: Solve for x
   x = 2,222,446,971.76/53,805.56
6. Step 6: Final answer
   x = 41,305.15