Finding the Fourth Proportional to 116,208.03, 160,345.76 and 78,023.01

Step by Step Solution

1. Step 1: Write the proportion equation
   116,208.03 : 160,345.76 = 78,023.01 : x
2. Step 2: Convert to fraction form
   116,208.03/160,345.76 = 78,023.01/x
3. Step 3: Cross multiply
   116,208.03x = 160,345.76 × 78,023.01
4. Step 4: Simplify right side
   116,208.03x = 12,510,658,445.82
5. Step 5: Solve for x
   x = 12,510,658,445.82/116,208.03
6. Step 6: Final answer
   x = 107,657.44