Finding the Fourth Proportional to 152,670.51, 210,710.51 and 84,709.35

Step by Step Solution

1. Step 1: Write the proportion equation
   152,670.51 : 210,710.51 = 84,709.35 : x
2. Step 2: Convert to fraction form
   152,670.51/210,710.51 = 84,709.35/x
3. Step 3: Cross multiply
   152,670.51x = 210,710.51 × 84,709.35
4. Step 4: Simplify right side
   152,670.51x = 17,849,150,340.27
5. Step 5: Solve for x
   x = 17,849,150,340.27/152,670.51
6. Step 6: Final answer
   x = 116,912.89