Finding the Fourth Proportional to 102,085.48, 153,118.23 and 31,008.73

Step by Step Solution

1. Step 1: Write the proportion equation
   102,085.48 : 153,118.23 = 31,008.73 : x
2. Step 2: Convert to fraction form
   102,085.48/153,118.23 = 31,008.73/x
3. Step 3: Cross multiply
   102,085.48x = 153,118.23 × 31,008.73
4. Step 4: Simplify right side
   102,085.48x = 4,748,001,852.15
5. Step 5: Solve for x
   x = 4,748,001,852.15/102,085.48
6. Step 6: Final answer
   x = 46,510.06