Finding the Fourth Proportional to 78,829.68, 108,784.37 and 43,018.91

Step by Step Solution

1. Step 1: Write the proportion equation
   78,829.68 : 108,784.37 = 43,018.91 : x
2. Step 2: Convert to fraction form
   78,829.68/108,784.37 = 43,018.91/x
3. Step 3: Cross multiply
   78,829.68x = 108,784.37 × 43,018.91
4. Step 4: Simplify right side
   78,829.68x = 4,679,784,263.42
5. Step 5: Solve for x
   x = 4,679,784,263.42/78,829.68
6. Step 6: Final answer
   x = 59,365.77