Finding the Fourth Proportional to 152,656.15, 210,658.04 and 84,667.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,656.15 : 210,658.04 = 84,667.10 : x
2. Step 2: Convert to fraction form
   152,656.15/210,658.04 = 84,667.10/x
3. Step 3: Cross multiply
   152,656.15x = 210,658.04 × 84,667.10
4. Step 4: Simplify right side
   152,656.15x = 17,835,804,915.15
5. Step 5: Solve for x
   x = 17,835,804,915.15/152,656.15
6. Step 6: Final answer
   x = 116,836.47