Finding the Fourth Proportional to 152,101.63, 227,991.56 and 57,290.79

Step by Step Solution

1. Step 1: Write the proportion equation
   152,101.63 : 227,991.56 = 57,290.79 : x
2. Step 2: Convert to fraction form
   152,101.63/227,991.56 = 57,290.79/x
3. Step 3: Cross multiply
   152,101.63x = 227,991.56 × 57,290.79
4. Step 4: Simplify right side
   152,101.63x = 13,061,816,585.73
5. Step 5: Solve for x
   x = 13,061,816,585.73/152,101.63
6. Step 6: Final answer
   x = 85,875.59