Finding the Fourth Proportional to 76,793.16, 105,970.14 and 42,800.52

Step by Step Solution

1. Step 1: Write the proportion equation
   76,793.16 : 105,970.14 = 42,800.52 : x
2. Step 2: Convert to fraction form
   76,793.16/105,970.14 = 42,800.52/x
3. Step 3: Cross multiply
   76,793.16x = 105,970.14 × 42,800.52
4. Step 4: Simplify right side
   76,793.16x = 4,535,577,096.47
5. Step 5: Solve for x
   x = 4,535,577,096.47/76,793.16
6. Step 6: Final answer
   x = 59,062.25