Finding the Fourth Proportional to 78,827.69, 108,784.53 and 43,020.02

Step by Step Solution

1. Step 1: Write the proportion equation
   78,827.69 : 108,784.53 = 43,020.02 : x
2. Step 2: Convert to fraction form
   78,827.69/108,784.53 = 43,020.02/x
3. Step 3: Cross multiply
   78,827.69x = 108,784.53 × 43,020.02
4. Step 4: Simplify right side
   78,827.69x = 4,679,912,656.29
5. Step 5: Solve for x
   x = 4,679,912,656.29/78,827.69
6. Step 6: Final answer
   x = 59,368.89