Finding the Fourth Proportional to 293,056,878.76, 404,419,288.50 and 160,906,434.82

Step by Step Solution

1. Step 1: Write the proportion equation
   293,056,878.76 : 404,419,288.50 = 160,906,434.82 : x
2. Step 2: Convert to fraction form
   293,056,878.76/404,419,288.50 = 160,906,434.82/x
3. Step 3: Cross multiply
   293,056,878.76x = 404,419,288.50 × 160,906,434.82
4. Step 4: Simplify right side
   293,056,878.76x = 65,073,665,884,976,024
5. Step 5: Solve for x
   x = 65,073,665,884,976,024/293,056,878.76
6. Step 6: Final answer
   x = 222,051,317.00