Finding the Fourth Proportional to 117,091, 161,655.24 and 76,875.22

Step by Step Solution

1. Step 1: Write the proportion equation
   117,091 : 161,655.24 = 76,875.22 : x
2. Step 2: Convert to fraction form
   117,091/161,655.24 = 76,875.22/x
3. Step 3: Cross multiply
   117,091x = 161,655.24 × 76,875.22
4. Step 4: Simplify right side
   117,091x = 12,427,282,139.15
5. Step 5: Solve for x
   x = 12,427,282,139.15/117,091
6. Step 6: Final answer
   x = 106,133.54