Finding the Fourth Proportional to 56,807, 78,363.84 and 43,354.82

Step by Step Solution

1. Step 1: Write the proportion equation
   56,807 : 78,363.84 = 43,354.82 : x
2. Step 2: Convert to fraction form
   56,807/78,363.84 = 43,354.82/x
3. Step 3: Cross multiply
   56,807x = 78,363.84 × 43,354.82
4. Step 4: Simplify right side
   56,807x = 3,397,450,177.71
5. Step 5: Solve for x
   x = 3,397,450,177.71/56,807
6. Step 6: Final answer
   x = 59,806.89