Finding the Fourth Proportional to 78,749.72, 118,202.34 and 34,407.08

Step by Step Solution

1. Step 1: Write the proportion equation
   78,749.72 : 118,202.34 = 34,407.08 : x
2. Step 2: Convert to fraction form
   78,749.72/118,202.34 = 34,407.08/x
3. Step 3: Cross multiply
   78,749.72x = 118,202.34 × 34,407.08
4. Step 4: Simplify right side
   78,749.72x = 4,066,997,368.57
5. Step 5: Solve for x
   x = 4,066,997,368.57/78,749.72
6. Step 6: Final answer
   x = 51,644.59