Finding the Fourth Proportional to 56,627.94, 78,146.62 and 31,134.74

Step by Step Solution

1. Step 1: Write the proportion equation
   56,627.94 : 78,146.62 = 31,134.74 : x
2. Step 2: Convert to fraction form
   56,627.94/78,146.62 = 31,134.74/x
3. Step 3: Cross multiply
   56,627.94x = 78,146.62 × 31,134.74
4. Step 4: Simplify right side
   56,627.94x = 2,433,074,695.58
5. Step 5: Solve for x
   x = 2,433,074,695.58/56,627.94
6. Step 6: Final answer
   x = 42,965.98