Finding the Fourth Proportional to 152,046.02, 209,822.98 and 84,978.02

Step by Step Solution

1. Step 1: Write the proportion equation
   152,046.02 : 209,822.98 = 84,978.02 : x
2. Step 2: Convert to fraction form
   152,046.02/209,822.98 = 84,978.02/x
3. Step 3: Cross multiply
   152,046.02x = 209,822.98 × 84,978.02
4. Step 4: Simplify right side
   152,046.02x = 17,830,341,390.90
5. Step 5: Solve for x
   x = 17,830,341,390.90/152,046.02
6. Step 6: Final answer
   x = 117,269.37