Finding the Fourth Proportional to 56,092.51, 77,406.42 and 30,942.01

Step by Step Solution

1. Step 1: Write the proportion equation
   56,092.51 : 77,406.42 = 30,942.01 : x
2. Step 2: Convert to fraction form
   56,092.51/77,406.42 = 30,942.01/x
3. Step 3: Cross multiply
   56,092.51x = 77,406.42 × 30,942.01
4. Step 4: Simplify right side
   56,092.51x = 2,395,110,221.70
5. Step 5: Solve for x
   x = 2,395,110,221.70/56,092.51
6. Step 6: Final answer
   x = 42,699.29