Finding the Fourth Proportional to 78,602.83, 108,468.47 and 42,792.95

Step by Step Solution

1. Step 1: Write the proportion equation
   78,602.83 : 108,468.47 = 42,792.95 : x
2. Step 2: Convert to fraction form
   78,602.83/108,468.47 = 42,792.95/x
3. Step 3: Cross multiply
   78,602.83x = 108,468.47 × 42,792.95
4. Step 4: Simplify right side
   78,602.83x = 4,641,686,191.44
5. Step 5: Solve for x
   x = 4,641,686,191.44/78,602.83
6. Step 6: Final answer
   x = 59,052.41