Finding the Fourth Proportional to 81,607.50, 122,412.06 and 29,019.06

Step by Step Solution

1. Step 1: Write the proportion equation
   81,607.50 : 122,412.06 = 29,019.06 : x
2. Step 2: Convert to fraction form
   81,607.50/122,412.06 = 29,019.06/x
3. Step 3: Cross multiply
   81,607.50x = 122,412.06 × 29,019.06
4. Step 4: Simplify right side
   81,607.50x = 3,552,282,913.86
5. Step 5: Solve for x
   x = 3,552,282,913.86/81,607.50
6. Step 6: Final answer
   x = 43,528.88