Finding the Fourth Proportional to 152,962.84, 211,089.72 and 84,979

Step by Step Solution

1. Step 1: Write the proportion equation
   152,962.84 : 211,089.72 = 84,979 : x
2. Step 2: Convert to fraction form
   152,962.84/211,089.72 = 84,979/x
3. Step 3: Cross multiply
   152,962.84x = 211,089.72 × 84,979
4. Step 4: Simplify right side
   152,962.84x = 17,938,193,315.88
5. Step 5: Solve for x
   x = 17,938,193,315.88/152,962.84
6. Step 6: Final answer
   x = 117,271.58