Finding the Fourth Proportional to 56,164.78, 77,507.41 and 31,014.26

Step by Step Solution

1. Step 1: Write the proportion equation
   56,164.78 : 77,507.41 = 31,014.26 : x
2. Step 2: Convert to fraction form
   56,164.78/77,507.41 = 31,014.26/x
3. Step 3: Cross multiply
   56,164.78x = 77,507.41 × 31,014.26
4. Step 4: Simplify right side
   56,164.78x = 2,403,834,965.67
5. Step 5: Solve for x
   x = 2,403,834,965.67/56,164.78
6. Step 6: Final answer
   x = 42,799.69