Finding the Fourth Proportional to 152,877.62, 210,964.01 and 84,898.91

Step by Step Solution

1. Step 1: Write the proportion equation
   152,877.62 : 210,964.01 = 84,898.91 : x
2. Step 2: Convert to fraction form
   152,877.62/210,964.01 = 84,898.91/x
3. Step 3: Cross multiply
   152,877.62x = 210,964.01 × 84,898.91
4. Step 4: Simplify right side
   152,877.62x = 17,910,613,018.91
5. Step 5: Solve for x
   x = 17,910,613,018.91/152,877.62
6. Step 6: Final answer
   x = 117,156.54