Finding the Fourth Proportional to 78,451.86, 117,611.46 and 34,045.02

Step by Step Solution

1. Step 1: Write the proportion equation
   78,451.86 : 117,611.46 = 34,045.02 : x
2. Step 2: Convert to fraction form
   78,451.86/117,611.46 = 34,045.02/x
3. Step 3: Cross multiply
   78,451.86x = 117,611.46 × 34,045.02
4. Step 4: Simplify right side
   78,451.86x = 4,004,084,507.93
5. Step 5: Solve for x
   x = 4,004,084,507.93/78,451.86
6. Step 6: Final answer
   x = 51,038.75