Finding the Fourth Proportional to 78,603.47, 108,474.74 and 42,795.45

Step by Step Solution

1. Step 1: Write the proportion equation
   78,603.47 : 108,474.74 = 42,795.45 : x
2. Step 2: Convert to fraction form
   78,603.47/108,474.74 = 42,795.45/x
3. Step 3: Cross multiply
   78,603.47x = 108,474.74 × 42,795.45
4. Step 4: Simplify right side
   78,603.47x = 4,642,224,769.56
5. Step 5: Solve for x
   x = 4,642,224,769.56/78,603.47
6. Step 6: Final answer
   x = 59,058.78