Finding the Fourth Proportional to 56,787, 78,366.06 and 31,635.96

Step by Step Solution

1. Step 1: Write the proportion equation
   56,787 : 78,366.06 = 31,635.96 : x
2. Step 2: Convert to fraction form
   56,787/78,366.06 = 31,635.96/x
3. Step 3: Cross multiply
   56,787x = 78,366.06 × 31,635.96
4. Step 4: Simplify right side
   56,787x = 2,479,185,539.52
5. Step 5: Solve for x
   x = 2,479,185,539.52/56,787
6. Step 6: Final answer
   x = 43,657.62