Finding the Fourth Proportional to 152,407.18, 210,314.31 and 83,496.91

Step by Step Solution

1. Step 1: Write the proportion equation
   152,407.18 : 210,314.31 = 83,496.91 : x
2. Step 2: Convert to fraction form
   152,407.18/210,314.31 = 83,496.91/x
3. Step 3: Cross multiply
   152,407.18x = 210,314.31 × 83,496.91
4. Step 4: Simplify right side
   152,407.18x = 17,560,595,013.78
5. Step 5: Solve for x
   x = 17,560,595,013.78/152,407.18
6. Step 6: Final answer
   x = 115,221.57