Finding the Fourth Proportional to 53,802.72, 74,245.25 and 29,931

Step by Step Solution

1. Step 1: Write the proportion equation
   53,802.72 : 74,245.25 = 29,931 : x
2. Step 2: Convert to fraction form
   53,802.72/74,245.25 = 29,931/x
3. Step 3: Cross multiply
   53,802.72x = 74,245.25 × 29,931
4. Step 4: Simplify right side
   53,802.72x = 2,222,234,428.10
5. Step 5: Solve for x
   x = 2,222,234,428.10/53,802.72
6. Step 6: Final answer
   x = 41,303.38