Finding the Fourth Proportional to 56,090.89, 84,012.71 and 46,363.31

Step by Step Solution

1. Step 1: Write the proportion equation
   56,090.89 : 84,012.71 = 46,363.31 : x
2. Step 2: Convert to fraction form
   56,090.89/84,012.71 = 46,363.31/x
3. Step 3: Cross multiply
   56,090.89x = 84,012.71 × 46,363.31
4. Step 4: Simplify right side
   56,090.89x = 3,895,107,415.49
5. Step 5: Solve for x
   x = 3,895,107,415.49/56,090.89
6. Step 6: Final answer
   x = 69,442.79