Finding the Fourth Proportional to 152,877.42, 210,963.78 and 84,898.71

Step by Step Solution

1. Step 1: Write the proportion equation
   152,877.42 : 210,963.78 = 84,898.71 : x
2. Step 2: Convert to fraction form
   152,877.42/210,963.78 = 84,898.71/x
3. Step 3: Cross multiply
   152,877.42x = 210,963.78 × 84,898.71
4. Step 4: Simplify right side
   152,877.42x = 17,910,552,778.72
5. Step 5: Solve for x
   x = 17,910,552,778.72/152,877.42
6. Step 6: Final answer
   x = 117,156.30