Finding the Fourth Proportional to 56,773.51, 78,288.06 and 42,410.83

Step by Step Solution

1. Step 1: Write the proportion equation
   56,773.51 : 78,288.06 = 42,410.83 : x
2. Step 2: Convert to fraction form
   56,773.51/78,288.06 = 42,410.83/x
3. Step 3: Cross multiply
   56,773.51x = 78,288.06 × 42,410.83
4. Step 4: Simplify right side
   56,773.51x = 3,320,261,603.69
5. Step 5: Solve for x
   x = 3,320,261,603.69/56,773.51
6. Step 6: Final answer
   x = 58,482.58