Finding the Fourth Proportional to 56,095.25, 77,253.96 and 54,870.53

Step by Step Solution

1. Step 1: Write the proportion equation
   56,095.25 : 77,253.96 = 54,870.53 : x
2. Step 2: Convert to fraction form
   56,095.25/77,253.96 = 54,870.53/x
3. Step 3: Cross multiply
   56,095.25x = 77,253.96 × 54,870.53
4. Step 4: Simplify right side
   56,095.25x = 4,238,965,343.53
5. Step 5: Solve for x
   x = 4,238,965,343.53/56,095.25
6. Step 6: Final answer
   x = 75,567.28