Finding the Fourth Proportional to 56,902.06, 78,523.74 and 31,406.93

Step by Step Solution

1. Step 1: Write the proportion equation
   56,902.06 : 78,523.74 = 31,406.93 : x
2. Step 2: Convert to fraction form
   56,902.06/78,523.74 = 31,406.93/x
3. Step 3: Cross multiply
   56,902.06x = 78,523.74 × 31,406.93
4. Step 4: Simplify right side
   56,902.06x = 2,466,189,605.52
5. Step 5: Solve for x
   x = 2,466,189,605.52/56,902.06
6. Step 6: Final answer
   x = 43,340.95