Finding the Fourth Proportional to 55,929.69, 77,181.98 and 30,435.17

Step by Step Solution

1. Step 1: Write the proportion equation
   55,929.69 : 77,181.98 = 30,435.17 : x
2. Step 2: Convert to fraction form
   55,929.69/77,181.98 = 30,435.17/x
3. Step 3: Cross multiply
   55,929.69x = 77,181.98 × 30,435.17
4. Step 4: Simplify right side
   55,929.69x = 2,349,046,144.15
5. Step 5: Solve for x
   x = 2,349,046,144.15/55,929.69
6. Step 6: Final answer
   x = 41,999.99