Finding the Fourth Proportional to 55,022.83, 75,761.48 and 42,971.99

Step by Step Solution

1. Step 1: Write the proportion equation
   55,022.83 : 75,761.48 = 42,971.99 : x
2. Step 2: Convert to fraction form
   55,022.83/75,761.48 = 42,971.99/x
3. Step 3: Cross multiply
   55,022.83x = 75,761.48 × 42,971.99
4. Step 4: Simplify right side
   55,022.83x = 3,255,621,411.61
5. Step 5: Solve for x
   x = 3,255,621,411.61/55,022.83
6. Step 6: Final answer
   x = 59,168.56