Finding the Fourth Proportional to 56,912.71, 78,603 and 44,317.42

Step by Step Solution

1. Step 1: Write the proportion equation
   56,912.71 : 78,603 = 44,317.42 : x
2. Step 2: Convert to fraction form
   56,912.71/78,603 = 44,317.42/x
3. Step 3: Cross multiply
   56,912.71x = 78,603 × 44,317.42
4. Step 4: Simplify right side
   56,912.71x = 3,483,482,164.26
5. Step 5: Solve for x
   x = 3,483,482,164.26/56,912.71
6. Step 6: Final answer
   x = 61,207.46