Finding the Fourth Proportional to 56,970.29, 78,619.83 and 31,477.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,970.29 : 78,619.83 = 31,477.25 : x
2. Step 2: Convert to fraction form
   56,970.29/78,619.83 = 31,477.25/x
3. Step 3: Cross multiply
   56,970.29x = 78,619.83 × 31,477.25
4. Step 4: Simplify right side
   56,970.29x = 2,474,735,680.14
5. Step 5: Solve for x
   x = 2,474,735,680.14/56,970.29
6. Step 6: Final answer
   x = 43,439.06