Finding the Fourth Proportional to 152,683.83, 210,704.22 and 84,702.15

Step by Step Solution

1. Step 1: Write the proportion equation
   152,683.83 : 210,704.22 = 84,702.15 : x
2. Step 2: Convert to fraction form
   152,683.83/210,704.22 = 84,702.15/x
3. Step 3: Cross multiply
   152,683.83x = 210,704.22 × 84,702.15
4. Step 4: Simplify right side
   152,683.83x = 17,847,100,448.07
5. Step 5: Solve for x
   x = 17,847,100,448.07/152,683.83
6. Step 6: Final answer
   x = 116,889.26