Finding the Fourth Proportional to 75,061.22, 112,637.99 and 30,688.20

Step by Step Solution

1. Step 1: Write the proportion equation
   75,061.22 : 112,637.99 = 30,688.20 : x
2. Step 2: Convert to fraction form
   75,061.22/112,637.99 = 30,688.20/x
3. Step 3: Cross multiply
   75,061.22x = 112,637.99 × 30,688.20
4. Step 4: Simplify right side
   75,061.22x = 3,456,657,241.44
5. Step 5: Solve for x
   x = 3,456,657,241.44/75,061.22
6. Step 6: Final answer
   x = 46,051.18