Finding the Fourth Proportional to 78,742.27, 118,113.86 and 19,577.95

Step by Step Solution

1. Step 1: Write the proportion equation
   78,742.27 : 118,113.86 = 19,577.95 : x
2. Step 2: Convert to fraction form
   78,742.27/118,113.86 = 19,577.95/x
3. Step 3: Cross multiply
   78,742.27x = 118,113.86 × 19,577.95
4. Step 4: Simplify right side
   78,742.27x = 2,312,426,999.05
5. Step 5: Solve for x
   x = 2,312,426,999.05/78,742.27
6. Step 6: Final answer
   x = 29,367.03