Finding the Fourth Proportional to 56,908.46, 78,526.42 and 31,759.02

Step by Step Solution

1. Step 1: Write the proportion equation
   56,908.46 : 78,526.42 = 31,759.02 : x
2. Step 2: Convert to fraction form
   56,908.46/78,526.42 = 31,759.02/x
3. Step 3: Cross multiply
   56,908.46x = 78,526.42 × 31,759.02
4. Step 4: Simplify right side
   56,908.46x = 2,493,922,143.31
5. Step 5: Solve for x
   x = 2,493,922,143.31/56,908.46
6. Step 6: Final answer
   x = 43,823.40