Finding the Fourth Proportional to 78,762.72, 118,143.84 and 19,598.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,762.72 : 118,143.84 = 19,598.38 : x
2. Step 2: Convert to fraction form
   78,762.72/118,143.84 = 19,598.38/x
3. Step 3: Cross multiply
   78,762.72x = 118,143.84 × 19,598.38
4. Step 4: Simplify right side
   78,762.72x = 2,315,427,870.98
5. Step 5: Solve for x
   x = 2,315,427,870.98/78,762.72
6. Step 6: Final answer
   x = 29,397.51