Finding the Fourth Proportional to 152,281.47, 210,145.33 and 84,298.48

Step by Step Solution

1. Step 1: Write the proportion equation
   152,281.47 : 210,145.33 = 84,298.48 : x
2. Step 2: Convert to fraction form
   152,281.47/210,145.33 = 84,298.48/x
3. Step 3: Cross multiply
   152,281.47x = 210,145.33 × 84,298.48
4. Step 4: Simplify right side
   152,281.47x = 17,714,931,898.10
5. Step 5: Solve for x
   x = 17,714,931,898.10/152,281.47
6. Step 6: Final answer
   x = 116,330.19