Finding the Fourth Proportional to 78,467.51, 117,681.79 and 31,066.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,467.51 : 117,681.79 = 31,066.34 : x
2. Step 2: Convert to fraction form
   78,467.51/117,681.79 = 31,066.34/x
3. Step 3: Cross multiply
   78,467.51x = 117,681.79 × 31,066.34
4. Step 4: Simplify right side
   78,467.51x = 3,655,941,804.75
5. Step 5: Solve for x
   x = 3,655,941,804.75/78,467.51
6. Step 6: Final answer
   x = 46,591.79