Finding the Fourth Proportional to 152,056, 209,843.76 and 84,988

Step by Step Solution

1. Step 1: Write the proportion equation
   152,056 : 209,843.76 = 84,988 : x
2. Step 2: Convert to fraction form
   152,056/209,843.76 = 84,988/x
3. Step 3: Cross multiply
   152,056x = 209,843.76 × 84,988
4. Step 4: Simplify right side
   152,056x = 17,834,201,474.88
5. Step 5: Solve for x
   x = 17,834,201,474.88/152,056
6. Step 6: Final answer
   x = 117,287.06